One must keep repeating the Truth.

The mind is found most acute and most uneasy in the morning. Uneasiness is, indeed, a species of sagacity - a passive sagacity. Fools are never uneasy.

It is belief in the Bible, the fruits of deep meditation, which has served me as the guide of my moral and literary life. I have found capital safely invested and richly productive of interest, although I have sometimes made but a bad use of it.

We do not have to visit a madhouse to find disordered minds; our planet is the mental institution of the universe.

I am amazed to see how deliberately I have entangled myself step by step. To have seen my position so clearly, and yet to have acted so like a child!

After fifteen minutes nobody looks at a rainbow.

At all times it has not been the age, but individuals alone, who have worked for knowledge. It was the age which put Socrates to death by poison, the age which burnt Huss. The ages have always remained alike.