If you're going to walk through hell, keep going.

One cannot leap a chasm in two jumps.

You ought to let the Jews have Jerusalem; it is they who made it famous.

Working hours are never long enough. Each day is a holiday, and ordinary holidays are grudged as enforced interruptions in an absorbing vocation.

Remember the story of the Spanish prisoner. For many years he was confined in a dungeon... One day it occurred to him to push the door of his cell. It was open; and it had never been locked.

I love to learn but I do not want to be taught

It is no use doing what you like; you have got to like what you do.