The only geniuses produced by the chaos of society are those who do something about it. Chaos breeds geniuses. It offers a man something to be a genius about.

I've often said that my rats have taught me much more than I've taught them.

A culture must be reasonably stable, but it must also change, and it will presumably be strongest if it can avoid excessive respect for tradition and fear of novelty on the one hand and excessively rapid change on the other.

The way positive reinforcement is carried out is more important than the amount.

A fourth-grade reader may be a sixth-grade mathematician. The grade is an administrative device which does violence to the nature of the developmental process.

...not everyone is willing to defend a position of 'not knowing.' There is no virtue in ignorance for its own sake.

A scientist may not be sure of the answer, but he's often sure he can find one. And that's a condition which is clearly not enjoyed by philosophy.