Quotes from Jerome Seymour Bruner

The shrewd guess, the fertile hypothesis, the courageous leap to a tentative conclusion-these are the most valuable coins of the thinker at work. But in most schools guessing is heavily penalized and is associated somehow with laziness.

We are only now on the threshold of knowing the range of the educatability of man -- the perfectibility of man. We have never addressed ourselves to this problem before.