Enthusiasm is of the greatest value, so long as we are not carried away by it.

The artist who is not also a craftsman is no good; but, alas, most of our artists are nothing else.

There is nothing worse than aggressive stupidity.

How many kings are governed by their ministers, how many ministers by their secretaries? Who, in such cases, is really the chief?

Man can only endure a certain degree of unhappiness; what is beyond that either annihilates him or passes by him and leaves him apathetic

Time flies, and what is past is done.

The confidant of my vices is my master, though he were my valet.