A people living under the perpetual menace of war and invasion is very easy to govern. It demands no social reform. It does not haggle over expenditures for armaments and military equipment. It pays without discussion, it ruins itself, and that is an excellent thing for the syndicates of financiers and manufacturers for whom patriotic terrors are an abundant source of gain.

In art as in love, instinct is enough.

A person is never happy except at the price of some ignorance.

There is a certain impertinence in allowing oneself to be burned for an opinion.

Intelligent women always marry fools

To die for an idea is to set a rather high price upon conjecture.

The man of science multiples the points of contact between man and nature.