A schoolteacher or professor cannot educate individuals, he educates only species.

Nothing is more conducive to peace of mind than not having any opinion at all.

He was always smoothing and polishing himself, and in the end he became blunt before he was sharp.

Imagine the world so greatly magnified that particles of light look like twenty-four-pound cannon balls.

There were honest people long before there were Christians and there are, God be praised, still honest people where there are no Christians. It could therefore easily be possible that people are Christians because true Christianity corresponds to what they would have been even if Christianity did not exist.

The writer who cannot sometimes throw away a thought about which another man would have written dissertations, without worry whether or not the reader will find it, will never become a great writer.

There is something in our minds like sunshine and the weather, which is not under our control. When I write, the best things come to me from I know not where.