The fundamental concepts of physical science, it is now understood, are abstractions, framed by our mind, so as to bring order to an apparent chaos of phenomena.

But beyond the bright searchlights of science, Out of sight of the windows of sense, Old riddles still bid us defiance, Old questions of Why and of Whence.

There seems no limit to research, for as been truly said, the more the sphere of knowledge grows, the larger becomes the surface of contact with the unknown.

Great discoveries are made accidentally less often than the populace likes to think. Commenting on how an accident led to the discovery of X-rays.

In the face of adversity, beautiful things emerge

The fundamental magic of flying is a miracle that has nothing to do with any of its practical purposes - purposes of speed accessibility and convenience - and will not change as they change.

If you were an optimistic teen, then you'll be an optimist at 80. People's reactions to bad events are highly stable over a half century or more.

I don't want to get away with murder! I'd have to live with that for the rest of my life. I would never want to live with killing somebody.

The atheist proposition is the following - most of the time - it may not be said that there is no god; it may be said that there is no reason to think that there is one.

To think of a film from the point of view of a tank barrel is already so inhumanly positioned. This is when film can reveal itself scandalously.

We stood there, looking at each other, saying nothing. But it was the kind of nothing that meant everything.

When people are fanatical about something, it's contagious.

The Indians' botanical knowledge is disappearing even faster than the plants themselves.

When God is at the center of your life, you Worship, when He's not, you Worry.