We are born to inquire after truth; it belongs to a greater power to possess it. It is not, as Democritus said, hid in the bottom of the deeps, but rather elevated to an infinite height in the divine knowledge.

It is a paradoxical but profoundly true and important principle of life that the most likely way to reach a goal is to be aiming not at that goal itself but at some more ambitious goal beyond it.

Love is all we have, the only way that each can help the other.

Absence diminishes mediocre passions and increases great ones, as the wind extinguishes candles and fans fires.

Let great authors have their due, as time, which is the author of authors, be not deprived of his due, which is, further and further to discover truth.

Daring ideas are like chessmen moved forward; they may be beaten, but they may start a winning game.