See now the power of truth; the same experiment which at first glance seemed to show one thing, when more carefully examined, assures us of the contrary.

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'.

I want to be able to be alone, to find it nourishing - not just a waiting.

The causes of illusions are not pretty to discover. They're either vicious or tragic.

We have no poor houses in the Colonies, and if we had, we would have no one to put in them, as in the Colonies there is not a single unemployed man, no poor and no vagabonds.

Our whole life is solving puzzles.

Clothes and manners do not make the man; but when he is made, they greatly improve his appearance.

Money lost-nothing lost, Health lost-little lost, Spirit lost-everything lost.

I would be a vegetarian if the food was better.

Autobiography is usually honest but it is never truthful.

My work is done; I have nothing left to do but to go to my Father.

A couple of flitches of bacon are worth fifty thousand Methodist sermons and religious tracts. They are great softeners of temper and promoters of domestic harmony.