Stimuli, however, do not act upon an indifferent organism.

Education must, be not only a transmission of culture but also a provider of alternative views of the world and a strengthener of the will to explore them.

In the perception of the incongruous stimuli, the recognition process is temporarily thwarted and exhibits characteristics which are generally not observable in the recognition of more conventional stimuli.

One seeks to equip the child with deeper, more gripping, and subtler ways of knowing the world and himself.

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.