The person who doesn't know something can't be done will often find a way to go ahead and do it.

The sure ways to create new ventures of discovery are to keep an open mind.

Whenever you look at a piece of work and you think the fellow was crazy, then you want to pay some attention to that. One of you is likely to be, and you had better find out which one it is. It makes an awful lot of difference.

You can send a message around the world in one-fifth of a second, yet it may take years for it to get from the outside of a man's head to the inside.

The Wright brothers flew right through the smoke screen of impossibility.

One of the things we have to be thankful for is that we don't get as much government as we pay for.

It is the 'follow through' that makes the great difference between ultimate success and failure, because it is so easy to stop.