Scientific thought, then, is not momentary; it is not a static instance; it is a process.

The principal goal of education is to create men who are capable of doing new things, not simply of repeating what other generations have done-men who are creative, inventive, and discovers. The second goal of education is to form minds which can be critical, can verify, and not accept everything they are offered.

Experience precedes understanding.

Only education is capable of saving our societies from possible collapse, whether violent, or gradual.

Punishment renders autonomy of conscience impossible.

This means that no single logic is strong enough to support the total construction of human knowledge.

It was while teaching philosophy that I saw how easily one can say ... what one wants to say. ... In fact, I became particularly aware if the dangers of speculation ... It's so much easier than digging out the facts. You sit in your office and build a system. But with my training in biology, I felt this kind of undertaking precarious.