Half of the modern drugs could well be thrown out of the window, except that the birds might eat them.

Half of the modern drugs could well be thrown out of the window, except that the birds might eat them.

What is more difficult, to think of an encampment on the moon or of Harlem rebuilt? Both are now within read more

What is more difficult, to think of an encampment on the moon or of Harlem rebuilt? Both are now within the reach of our resources. Both now depend upon human decision and human will.

You have to hatch ideas -- and then hitch them.

You have to hatch ideas -- and then hitch them.

Your theory is crazy, but it's not crazy enough to be true.

Your theory is crazy, but it's not crazy enough to be true.

If you get hung up on everybody else's hang-ups, then the whole world's going to be nothing more than one read more

If you get hung up on everybody else's hang-ups, then the whole world's going to be nothing more than one huge gallows.

Every great advance in science has issued from a new audacity of imagination.

Every great advance in science has issued from a new audacity of imagination.

It's very good for an idea to be commonplace. The important thing is that a new idea should develop out read more

It's very good for an idea to be commonplace. The important thing is that a new idea should develop out of what is already there so that it soon becomes an old acquaintance. Old acquaintances aren't by any means always welcome, but at least one can't be mistaken as to who or what they are.

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

We've arranged a civilization in which most crucial elements profoundly depend on science and technology.

We like to test things... no matter how good an idea sounds, test it first.

We like to test things... no matter how good an idea sounds, test it first.