The modesty of women, which, in its most primitive form among animals, is based on sexual periodicity, is, with that periodicity, an essential condition of courtship.

To live remains an art which everyone must learn, and which no one can teach.

There has never been any country at every moment so virtuous and so wise that it has not sometimes needed to be saved from itself.

Failing to find in women exactly the same kind of sexual emotions, as they find in themselves, men have concluded that there are none there at all.

What we call progress is the exchange of one nuisance for another nuisance.

Thinking in its lower grades, is comparable to paper money, and in its higher forms it is a kind of poetry.

Men who know themselves are no longer fools. They stand on the threshold of the door of Wisdom.