If you could see the earth illuminated when you were in a place as dark as night, it would look to you more splendid than the moon.

Measure what can be measured, and make measurable what cannot be measured.

All truths are easy to understand once they are discovered; the point is to discover them.

I have never met a man so ignorant that I couldn't learn something from him.

The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.

I do not feel obliged to believe that the same God who has endowed us with senses, reason, and intellect has intended us to forego their use.

The laws of nature are written by the hand of God in the language of mathematics.

Knowing thyself, that is the greatest wisdom.

To understand the Universe, you must understand the language in which it's written, the language of Mathematics.

In the sciences, the authority of thousands of opinions is not worth as much as one tiny spark of reason in an individual man.

To be humane, we must ever be ready to pronounce that wise, ingenious and modest statement 'I do not know'.

Cordelia! stay a little. Ha! What is't thou say'st? Her voice was ever soft.

Relax and renew your mind.

Disbelief is the strongest tool in our arsenal.

Man can know his world without falling back on revelation; he can live his life without feeling his utter dependence on supernatural powers.

Enjoy every minute you have with those you love, my dear, for no one can take joy that is past away from you. It will be there in your heart to live on when the dark days come.

Where we're not wrong or where the cost of settling is so much that it is totally disproportionate to the harm or the error that we made, we're not going to settle.

We can love completely what we cannot completely understand.

Prohibiting guns on campus made the Virginia Tech students less safe, not more.

So long as the millions live in hunger and ignorance, I hold every man a traitor who, having been educated at their expense, pays not the least heed to them.

I don't get why arabs are so pissed off at us. I mean they have enough oil for all of them to drive a hummer at what, maybe 1.50 a gallon?