Language is the biggest barrier to human progress because language is an encyclopedia of ignorance. Old perceptions are frozen into language and force us to look at the world in an old fashioned way.

It's always amazed me how little attention philosophers, psychologists, or anyone else actually has paid to humor.

Unfortunately, our existing traditional thinking habits insist that you must attack something and show it to be bad before you can suggest a change. It is more difficult to acknowledge that something is excellent and then to ask for change because although it is excellent, it is not enough.

Our existing thinking habits are excellent, just as the rear wheels of a motor car are excellent, but not enough.

The weapons of the positive revolution are not bullets and bombs but simple human perceptions. Bullets and bombs may offer physical power but eventually will only work if they change perceptions and values. Why not go the direct route and work with perceptions and values?

Intelligence is something we are born with. Thinking is a skill that must be learned.

Most executives, many scientists, and almost all business school graduates believe that if you analyze data, this will give you new ideas. Unfortunately, this belief is totally wrong. The mind can only see what it is prepared to see.