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Lateral Thinking

Lateral Thinking

by Edward de Bono 2009 272 pages
3.77
4k+ ratings
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Key Takeaways

1. Lateral thinking complements vertical thinking for effective problem-solving

Lateral thinking is quite distinct from vertical thinking which is the traditional type of thinking. In vertical thinking one moves forward by sequential steps each of which must be justified.

Dual approach to thinking. Vertical thinking follows a logical, step-by-step process, while lateral thinking encourages exploring unconventional paths and generating new ideas. Both are essential for effective problem-solving and creativity. Vertical thinking is selective and analytical, focusing on what is relevant and correct. Lateral thinking, on the other hand, is generative and provocative, seeking to restructure patterns and create new connections.

Synergistic relationship. While vertical thinking develops and refines ideas, lateral thinking generates them. The combination of both approaches leads to more comprehensive and innovative solutions. Lateral thinking enhances vertical thinking by providing more options to select from, while vertical thinking multiplies the effectiveness of lateral thinking by developing and implementing the generated ideas.

2. The mind's pattern-making tendency can limit creative solutions

The basic function of mind is to create patterns. The memory surface of mind organizes information into patterns. Or rather it allows information to organize itself into patterns.

Self-organizing patterns. The mind naturally creates and recognizes patterns based on incoming information and past experiences. This pattern-making ability is essential for efficient information processing and quick decision-making. However, it can also lead to rigid thinking and limit our ability to see alternative solutions.

Limitations of established patterns. Once patterns are formed, they tend to become more firmly established and resistant to change. This can result in:

  • Difficulty in restructuring established patterns
  • Tendency to perceive new information through the lens of existing patterns
  • Overlooking alternative ways of organizing information
  • Difficulty in breaking free from cliché concepts and ideas

To overcome these limitations, it's crucial to develop techniques that deliberately challenge and restructure established patterns, allowing for more creative and flexible thinking.

3. Generating alternatives is crucial for breaking out of established patterns

The most basic principle of lateral thinking is that any particular way of looking at things is only one from among many other possible ways.

Deliberate alternative generation. Actively seeking multiple ways to view a situation or problem is fundamental to lateral thinking. This process involves:

  • Setting a quota for generating alternatives
  • Continuing to generate alternatives even after finding a promising one
  • Considering both reasonable and unreasonable alternatives

Benefits of alternative generation:

  • Loosens rigid thinking patterns
  • Increases the likelihood of finding innovative solutions
  • Develops the habit of flexible thinking
  • Enhances problem-solving skills by expanding the range of possible approaches

Techniques for generating alternatives include:

  • Fractionation: Breaking down concepts into smaller units
  • Reversal: Considering opposite approaches
  • Random word stimulation: Using unrelated words to trigger new ideas

4. Challenging assumptions opens up new perspectives and possibilities

Any definite use of the NO label is an invitation to use PO.

Questioning the obvious. Challenging assumptions involves identifying and questioning the beliefs, expectations, and presuppositions that underlie our thinking. This process is crucial for lateral thinking as it allows us to:

  • Uncover hidden biases and limitations in our thinking
  • Explore alternative perspectives that may have been overlooked
  • Break free from conventional wisdom that may no longer be valid

Techniques for challenging assumptions:

  • The "Why" technique: Repeatedly asking "why" to probe deeper into the reasons behind beliefs and practices
  • Reversing assumptions: Considering what would happen if the opposite of an assumption were true
  • Identifying crucial factors: Examining the elements considered essential to a problem or situation

By systematically challenging assumptions, we create opportunities for innovative thinking and problem-solving, opening up new possibilities that may have been obscured by established patterns of thought.

5. Suspended judgment allows for exploration of unconventional ideas

The purpose of thinking is not to be right but to be effective. Being effective means being right only at the end.

Delaying evaluation. Suspended judgment involves temporarily setting aside critical evaluation to allow for the exploration of ideas, even if they initially seem impractical or incorrect. This approach is crucial for lateral thinking because:

  • It encourages the generation of a wider range of ideas
  • It allows potentially valuable but unconventional ideas to develop
  • It reduces the fear of being wrong, which can inhibit creative thinking

Benefits of suspended judgment:

  • Increases the quantity and diversity of ideas generated
  • Allows for the combination and development of ideas that might otherwise be dismissed
  • Promotes a more open and creative thinking environment

Techniques for practicing suspended judgment:

  • Brainstorming sessions with explicit rules against criticism
  • Using the "Yes, and..." approach from improvisational theater
  • Deliberately exploring "wrong" ideas to see where they might lead

6. Random stimulation can trigger innovative connections and solutions

Because of the way the mind works any stimulus whatsoever can be found to develop a connection with any other.

Harnessing randomness. Random stimulation involves deliberately introducing unrelated elements into the thinking process to spark new connections and ideas. This technique leverages the mind's ability to find patterns and relationships, even between seemingly unconnected concepts.

Methods of random stimulation:

  • Random word technique: Using a randomly selected word to generate ideas related to a problem
  • Forced analogies: Comparing the problem to an unrelated object or situation
  • Exposure to diverse stimuli: Deliberately exposing oneself to varied information and experiences

Benefits of random stimulation:

  • Breaks established thinking patterns
  • Encourages novel connections and associations
  • Increases the likelihood of innovative solutions
  • Enhances creative problem-solving skills

By embracing randomness and apparent irrelevance, we can tap into the mind's powerful ability to create new patterns and generate innovative ideas.

7. The concept-division-polarization process can hinder flexible thinking

It is easier to establish two completely different patterns than to change an established pattern.

Rigid categorization. The mind's tendency to divide concepts into distinct categories and polarize them can lead to inflexible thinking. This process involves:

  • Creating sharp divisions between concepts
  • Pushing ideas towards extreme poles
  • Overlooking nuances and intermediate positions

Limitations of polarized thinking:

  • Reduces the ability to see connections between seemingly opposite ideas
  • Encourages black-and-white thinking, overlooking shades of gray
  • Makes it difficult to consider alternative perspectives or solutions

To overcome these limitations:

  • Actively seek connections between apparently opposing concepts
  • Consider gradients or spectrums rather than binary categories
  • Use techniques like PO to challenge and bridge conceptual divisions

By recognizing and counteracting the concept-division-polarization process, we can develop more flexible and nuanced thinking, leading to more creative and comprehensive solutions.

8. PO: A powerful tool for provocative and generative thinking

PO is to lateral thinking what NO is to logical thinking.

Versatile thinking tool. PO is a linguistic device that serves multiple functions in lateral thinking:

  • Challenging established patterns and concepts
  • Introducing provocative arrangements of information
  • Protecting ideas from premature judgment
  • Encouraging the generation of alternatives

Applications of PO:

  • Juxtaposition: Combining unrelated ideas (e.g., "ice cream PO electric light")
  • Concept reuniting: Merging divided concepts (e.g., "liquid PO solid")
  • Protection: Shielding ideas from immediate rejection
  • Provocation: Introducing deliberately unreasonable ideas to stimulate new thinking

By incorporating PO into our thinking and communication, we can create a more conducive environment for lateral thinking and creative problem-solving. PO serves as a signal that we are deliberately using lateral thinking techniques, allowing for more open and generative discussions.

9. Overcoming the block of adequacy requires deliberate effort

Trying to avoid this sort of block is what lateral thinking is all about.

Breaking through satisfaction. The "block of adequacy" occurs when an existing solution or perspective seems satisfactory, preventing the exploration of potentially better alternatives. This block is particularly challenging because:

  • There's no apparent reason to seek improvement
  • The current solution doesn't present obvious flaws or limitations
  • Comfort with the status quo discourages exploration

Strategies for overcoming adequacy:

  • Regular reassessment of established solutions and practices
  • Setting deliberate challenges to improve even seemingly satisfactory situations
  • Cultivating a mindset of continuous improvement and innovation
  • Using lateral thinking techniques to explore alternatives, even when not necessary

By consciously addressing the block of adequacy, we can:

  • Discover hidden opportunities for improvement
  • Maintain a culture of innovation and creative thinking
  • Stay ahead of changing circumstances and requirements
  • Develop more robust and versatile solutions

Overcoming the block of adequacy is essential for continued growth, innovation, and adaptability in both personal and professional contexts.

Last updated:

Review Summary

3.77 out of 5
Average of 4k+ ratings from Goodreads and Amazon.

Lateral Thinking receives mixed reviews. Many praise its insights on creative problem-solving and find it valuable for educators and professionals. Readers appreciate the distinction between vertical and lateral thinking, and the techniques for generating new ideas. However, some criticize the book as repetitive, boring, or difficult to follow. The exercises are seen as more suitable for teachers than individual readers. Overall, reviewers acknowledge the book's potential to enhance creativity and problem-solving skills, but opinions vary on its effectiveness and readability.

Your rating:

About the Author

Edward de Bono was a Maltese polymath renowned for his work on thinking and creativity. He coined the term "lateral thinking" and advocated for teaching thinking skills in schools. De Bono's background as a physician informed his approach to cognitive processes. He authored numerous books on creative thinking and problem-solving, with "Lateral Thinking" being one of his most well-known works. De Bono's ideas have been influential in education, business, and personal development. He developed various thinking tools and methodologies, including the Six Thinking Hats technique. His work aimed to enhance decision-making and innovation by encouraging people to approach problems from multiple perspectives.

Other books by Edward de Bono

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