If we make a couple of discoveries here and there we need not believe things will go on like this for ever. Just as we hit water when we dig in the earth, so we discover the incomprehensible sooner or later.

To make a vow is a greater sin than to break one.

The feeling of health can only be gained by sickness.

He marvelled at the fact that the cats had two holes cut in their fur at precisely the spot where their eyes were.

When a book and a head collide and a hollow sound is heard, must it always have come from the book?

It is too bad if you have to do everything upon reflection and can't do anything from early habit.

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.