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

Don't be afraid to stumble. Any inventor will tell you that you don't follow a plan far before you strike a snag. If, out of 100 ideas you get one that works, it's enough.

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.

Our imagination is the only limit to what we can hope to have in the future.

We must look forward to the future as that is where most of us will be spending the rest of our lives.

A problem well stated is a problem half-solved.

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.