"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."

"The purpose of science is not to analyze or describe but to make useful models of the world. A model is useful if it allows us to get use out of it."

"In the future, instead of striving to be right at a high cost, it will be more appropriate to be flexible and plural at a lower cost. If you cannot accurately predict the future then you must flexibly be prepared to deal with various possible futures."

"Argument is meant to reveal the truth, not to create it."

"A quiet mind is capable of understanding that the canvas of tomorrow is painted with the actions of today."

"There's a constant flow of child actors. It's kind of funny to watch the new crew come through. I think, You poor little things. You're going to have to struggle for a long time."

"Just think of the tragedy of teaching children not to doubt."

"It is a essential truth that reason is the torch that illuminates the dark corridors of superstition."