What manly eloquence could produce such an effect as woman's silence?

The indifference of men, far more than their tyranny, is the torment of women.

He who would confine his thought to present time will not understand present reality.

Woe be to him who tries to isolate one department of knowledge from the rest. All science is one: language, literature and history, physics, mathematics and philosophy; subjects which seem the most remote from one another are in reality connected, or rather they all form a single system.

He who knows how to be poor knows everything.

Achieving a goal is nothing. The getting there is everything.

You are one of the forces of nature.