Wounds make better lessons than lectures.

How will I be remembered by my children? This is the true measure of a man.

There is no man so blind as one who has made up his mind.

Humans are different in private than in the presence of others. While the private persona merges into the social persona in varying degrees, the union is never complete. Something is always held back.

The first step in innovation is to know that a thing can be created. After that, the rest is a matter of detail.

The more tightly packed the group, the greater the need for strict social ranks and orders.

An ignorant friend is worse than a learned foe.