Lateral thinking is concerned not with playing with the existing pieces but with seeking to change those very pieces. It is concerned with the perception part of thinking. This is where we organise the external world into the pieces we can then 'process'.
Perception is real even when it is not reality.
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?
Being right is not too difficult. Your choose your perception. You select your information. You leave out what does not suit you. You drag in some general-purpose value words. You throw in a sneer or two about the opposition, and you are a fine fellow who made a fine speech.
Only the human brain can deliberately change perceptions, change patterns, invent concepts and tolerate ambiguity.
Logic will never change emotion or perception.
Most of the mistakes in thinking are inadequacies of perception rather than mistakes of logic.
It has always surprised me how little attention philosophers have paid to humor, since it is a more significant process of mind than reason. Reason can only sort out perceptions, but the humor process is involved in changing them.
What the joke displays is a switch in perception. This is important in changing the way we think.
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.