All men naturally desire knowledge. An indication of this is our esteem for the senses; for apart from their use we esteem them for their own sake, and most of all the sense of sight. Not only with a view to action, but even when no action is contemplated, we prefer sight, generally speaking, to all the other senses. The reason of this is that of all the senses sight best helps us to know things, and reveals many distinctions.

Prosperity makes friends and adversity tries them. A true friend is one soul in two bodies

With the truth, all given facts harmonize; but with what is false, the truth soon hits a wrong note.

The young are heated by Nature as drunken men by wine.

A right election can only be made by those who have knowledge.

Art takes nature as its model.

When...we, as individuals, obey laws that direct us to behave for the welfare of the community as a whole, we are indirectly helping to promote the pursuit of happiness by our fellow human beings.