He who knows how to be poor knows everything.

The real, in all this efforts, is that we climb just for climbing.

Great hearts alone understand how much glory there is in being good.

The historian's first duties are sacrilege and the mocking of false gods. They are his indispensable instruments for establishing the truth.

Love is strong in its passion; affection is powerful in its gentleness.

Woman is a miracle of divine contradictions.

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.