Common sense needs constant reappraisal.

Don't listen to their words, fix your attention on their deeds.

How vile and despicable war seems to me! I would rather be hacked to pieces than take part in such an abominable business.

If you're not sure why you're doing something, you can never do enough of it. Imagination is more important than knowledge.

That deep emotional conviction of the presence of a superior reasoning power, which is revealed in the incomprehensible universe, forms my idea of God.

Three Rules of Work: Out of clutter find simplicity. From discord find harmony. In the middle of difficulty lies opportunity.

I'm no more intelligent than the next guy. I'm just more curious.