He who doesn't lose his wits over certain things has no wits to lose.

How can such deep-imprinted images sleep in us at times, till a word, a sound, awake them?

What education is to the individual man, revelation is to the human race. Education is revelation coming to the individual man, and revelation is education that has come, and is still coming to the human race.

The more we see the more we must be able to imagine, and the more we imagine, the more we must think we see.

The superstition in which we were brought up never loses its power over us, even after we understand it.

Did the Almighty, holding in his right hand truth, and in his left hand search after truth, deign to proffer me the one I might prefer, in all humility, but without hesitation, I should request search after truth.

A single grateful thought toward heaven is the most perfect prayer.