If we can't express what we know in the form of numbers, we really don't know much about it.

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.

Humanity must need to continue because humanity is about humans and humans are nothing without humanity.

You are young. So you know everything. You leap into the boat and begin rowing. But, listen to me. Without fanfare, without embarrassment, without doubt, I talk directly to your soul. Listen to me.

It was the second time that day that I stood looking at a space where a large thing wasn't where it was supposed to be.

The most important person is the audience and the composer. The rest of us - and even the composer is a servant to the audience. And of course, the audience is a servant to the higher art.

We read books, talked books, argued over books and became dearer and dearer to one another.

The disaster... is what escapes the very possibility of experience—it is the limit of writing. This must be repeated: the disaster de-scribes.

The secret of breaking rules in a way that works is understanding what the rules are in the first place.

My secret to success is that I've always loved good music and people.

I don't think I've ever made a conscious effort to alter the sound. I don't see the point. I have to remain true to how I sing. I'm perfectly happy with what I am. Whatever that is.

I wish to see the Bible study as much a matter of course in the secular colleges as in the seminary.