It vexes me when they would constrain science by the authority of the Scriptures, and yet do not consider themselves bound to answer reason and experiment.

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'.

The scariest, ugliest stories about in-home nursing usually are the result of nurses demonstrating a lack of professionalism, bad morals or a disregard for the child for whom they are providing care.

The ten hottest years in the atmospheric record, going back only 160 years, have been in the last eleven years.

I feel, having the choices I had, I felt I had more control over my own medium than I did over photography.

I see a lot of that on Tumblr - people asking advice from people they don't know. That's so odd to me. Asking an anonymous person for advice seems very odd.

"Do you have any regrets?" Of course I do.

We are always children to our mothers.

I'm in the business of providing people with secondary satisfactions. It wouldn't have done me much good if they had all written their own plays, would it?

In the same degree in which a man's mind is nearer to freedom from all passion, in the same degree also is it nearer to strength.

Actors ought to be larger than life. You come across quite enough ordinary, nondescript people in daily life and I don't see why you should be subjected to them on the stage too.

Alas, their love may be call'd appetite. No motion of the liver, but the palate