We do not learn from experience...we learn from reflecting on experience.

The development occurs through reciprocal give-and-take, the teacher taking but not being afraid also to give.

Experience alone cannot deliver to us necessary truths; truths completely demonstrated by reason. Its conclusions are particular, not universal.

What the best and wisest parent wants for his own child, that must the community want for all of its children.

How can the child learn to be a free and responsible citizen when the teacher is bound?

Teaching can be compared to selling commodities. No one can sell unless someone buys ... yet there are teachers who think they have done a good day's teaching irrespective of what the pupils have learned.

But the individual butterfly or earthquake remains just the unique existence which it is. We forget in explaining its occurrence that it is only the occurrence that is explained, not the thing itself.