"But if all behaviour, without exception, thus implies an energetics or an "economy", forming its affective aspect, the interaction with the environm… - Jean Piaget

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 creative, inventive and discoverers, who can be critical and verify, and not accept, everything they are offered.

Nel, after throwing a stone onto a sloping bank watching the stone rolling said, 'Look at the stone. It's afraid of the grass

Logic is the mirror of thought, and not vice versa;in classes, relations et nombres; essai sur les groupements de logistique et la réversibilitié de lq pensée