Science proceeds more by what it has learned to ignore than what it takes into account.

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'.

Once we start writing with a pen, we are not allowed to erase our mistakes, we are forced to deal with it.

What was the point of being able to forgive, when deep down, you both had to admit you'd never forget?

Do not go where you don’t belong. I scoffed. That sounded like an invitation if I ever heard one.

All men are created equal. After that, it's up to you.

Christmas shows us the ties that bind us together, threads of love and caring, woven in the simplest and strongest way within the family.

A cold heart is my protection mechanism. I don't really feel anything for anyone.

Every science is a profane restatement of the preceding dogmas of the religious period

My own early experiences in war led me to suspect the value of discipline, even in that sphere where it is so often regarded as the first essential for success.

I think that I've had a very strange life.

Never waste valuable time, or mental peace of mind, on the affairs of others—that is too high a price to pay.