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

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

If I want to stop a research program I can always do it by getting a few experts to sit in on the subject, because they know right away that it was a fool thing to try in the first place.

Action without intelligence is a form of insanity, but intelligence without action is the greatest form of stupidity in the world.

The only time you mustn't fail is the last time you try.

An inventor is simply a fellow who doesn't take his education too seriously.

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