We have been measuring too much in terms of the dollar. What we should do is think in terms of useful materials-things that will be of value to us in our daily life.

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

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

I expect to spend the rest of my life in the future, so I want to be reasonably sure of what kind of future it's going to be. That is my reason for planning.

If I have had any success, it's due to luck, but I notice the harder I work, the luckier I get.

Learn how to fail intelligently.

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