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

In many ways ideas are more important than people - they are much more permanent.

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.

An inventor fails 999 times, and if he succeeds once, he's in. He treats his failures simply as practice shots.

It doesn't matter if you try and try and try again, and fail. It does matter if you try and fail, and fail to try again.

We work day after day, not to finish things; but to make the future better ... because we will spend the rest of our lives there.

There has never been any 30-hour week for men who had anything to do.