There is no kind of harassment that a man may not inflict on a woman with impunity in civilized societies.

The general interest of the masses might take the place of the insight of genius if it were allowed freedom of action.

There is no moral precept that does not have something inconvenient about it.

The possibility of divorce renders both marriage partners stricter in their observance of the duties they owe to each other. Divorces help to improve morals and to increase the population.

There are things I can't force. I must adjust. There are times when the greatest change needed is a change of my viewpoint.

The infant runs toward it with its eyes closed, the adult is stationary, the old man approaches it with his back turned.

Skepticism is the first step on the road to philosophy.

You have to make it happen.

Power acquired by violence is only a usurpation, and lasts only as long as the force of him who commands prevails over that of those who obey.

There are three principal means of acquiring knowledge... observation of nature, reflection, and experimentation. Observation collects facts; reflection combines them; experimentation verifies the result of that combination.