A state of true and universal tolerance is best ensured by leaving alone the peculiarities of men and peoples.

Painting predicates what man wants to see, and what man ought to see, not what he ordinarily sees.

The greatest joy of a thinking man is to have searched the explored and to quietly revere the unexplored.

The follies of the wise man are known to himself, but hidden from the world.

Animals, we have been told, are taught by their organs. Yes, I would add, and so are men, but men have this further advantage that they can also teach their organs in return.

If a man knows where to get good advice, it is as though he could supply it himself.

A man is really alive only when he delights in the good-will of others.

Few men have imagination enough for reality.

The highest happiness of man ... is to have probed what is knowable and quietly to revere what is unknowable.