Edward de Bono (b. May 19, 1933) is a Maltese physician, author, inventor and consultant. He originated the term "lateral thinking," wrote the book Six Thinking Hats and is a proponent of the deliberate teaching of thinking as a subject in schools. (Click here for full Wikipedia article)
A memory is what is left when something happens and does not completely unhappen.
An expert is someone who has succeeded in making decisions and judgements simpler through knowing what to pay attention to and what to ignore.
Argument is meant to reveal the truth, not to create it.
Humor is by far the most significant activity of the human brain.
If you never change your mind, why have one?
If you wait for opportunities to occur, you will be one of the crowd.
In a sense, words are encyclopedias of ignorance because they freeze perceptions at one moment in history and then insist we continue to use these frozen perceptions when we should be doing better.
Logic will never change emotion or perception.
Many highly intelligent people are poor thinkers. Many people of average intelligence are skilled thinkers. The power of a car is separate from the way the car is driven.
Most of the mistakes in thinking are inadequacies of perception rather than mistakes of logic.
The concept of logical thinking is selection and this is brought about by the processes of acceptance and rejection. Rejection is the basis of logical thinking.
The mind can only see what it is prepared to see.
The need to be right all the time is the biggest bar to new ideas.
Unhappiness is best defined as the difference between our talents and our expectations.
You cannot dig a hole in a different place by digging the same hole deeper.