“I could not think without writing.”

“The principle goal of education in the schools should be creating men and women who are capable of doing new things, not simply repeating what other generations have done; men and women who are cre...”

“From this time on, the universe is built up into an aggregate of permanent objects connected by causal relations that are independent of the subject and are placed in objective space and time.”

“Play is the work of childhood.”

“The main functions of intelligence, that of inventing solutions and that of verifying them, do not necessarily involve one another. The first partakes of imagination; the second alone is properly l...”

“Logical activity is not the whole of intelligence. One can be intelligent without being particularly logical.”

“Not everyone may not think the way you do.”

“I think you're wrong.""Think what you like.”

“To think, to think, even with a split second left - to think was the only hope.”

“Thought leadership is first and foremost life leadership.”

“More powerful than the mighty armies is an idea whose time has come.”

“In what you say of another, apply the test of kindness, necessity and truth, and let nothing pass your lips without a 2/3 majority.”

“We are human only in contact, and conviviality, with what is not human.”

“The problem is this: nature has assembled all these species on this planet. The human species is no more important than any other species on this planet. For some reason, man accorded himself a sup...”

“More than the disappearing trees and roses, its the human tendency to suppress the Natural Voice of the Natures Man which is sorrowful.”