Achievement is not last, disappointment is not deadly: It is the mettle to proceed with that matters.

Perfecting and selling your writing is a lifelong task. If you are a persistent writer, you can expect your abilities to improve with time. Success is the ability to go from failure to failure without losing your enthusiasm.

We were not made by Nature to work, or even to play, from eight o'clock in the morning till midnight. We ought to break our days and our marches into two.

The test of a people is what they can do when they're tired.

You create your own universe as you go along. The stronger your imagination, the more variegated your universe. When you leave off dreaming, the universe ceases to exist.

Victory will never be found by taking the path of least resistance.

There is something going on in time and space, and beyond time and space, which, whether we like it or not, spells duty.