Mathematics is the only true metaphysics.

If you can not measure it, you can not improve it.

If you study science deep enough and long enough, it will force you to believe in God.

Heavier-than-air flying machines are impossible.

Can you measure it? Can you express it in figures? Can you make a model of it? If not, your theory is apt to be based more upon imagination than upon knowledge.

When you are face to face with a difficulty, you are up against a discovery.

In science there is only physics; all the rest is stamp collecting.

Radio has no future." "X-rays are clearly a hoax". "The aeroplane is scientifically impossible.

When you can measure what you are speaking about, and express it in numbers, you know something about it.

To measure is to know.

Large increases in cost with questionable increases in performance can be tolerated only in race horses and fancy women.

You miss a lot of a person’s life when you don’t keep in touch. Maybe that’s the point.

How you live today has the potential to impact all eternity.

The hero is brave in deeds as well as words.

He (Ozzie Smith) plays like he's on a mini-trampoline or wearing helium kangaroo shorts.

To quote copiously and well, requires taste, judgment, and erudition, a feeling for the beautiful, an appreciation of the noble, and a sense of the profound.

If you really look, it's not a tax - it's really not a great thing for the wealthy. It's a great thing for the middle class. It's a great thing for companies to expand.

The truth is, for some absurd reason, no one is willing to admit that the interests of the producers and the theater owners are not the same.

All of us can attain to Christian virtue and holiness, no matter in what condition of life we live and no matter what our life work may be.

This problem, once solved, will be simple.

The more pity, that fools may not speak wisely what wise men do foolishly.