I often say that research is a way of finding out what you are going to do when you can't keep on doing what you are doing now.

We need to teach the highly educated man that it is not a disgrace to fail and that he must analyze every failure to find its cause. He must learn how to fail intelligently, for failing is one of the greatest arts in the world.

The price of progress is trouble.

Nothing ever built arose to touch the skies unless some man dreamed that it should, some man believed that it could, and some man willed that it must.

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

The future can be anything we want it to be, providing we have the faith and that we realize that peace, no less than war, required blood and sweat and tears.

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