“Let the future tell the truth, and evaluate each one according to his work and accomplishments. The present is theirs; the future, for which I have really worked, is mine.”

Our virtues and our failings are inseparable, like force and matter. When they separate, man is no more.

You always succeed in producing a result.

Invention requires a long-term willingness to be misunderstood.

The greatest barrier to success is the fear of failure.

All achievements, all earned riches, have their beginning in an idea.

The ladder of success is never crowded at the top.

Sooner or later, those who win are those who think they can.

I'm a great believer in luck and I find the harder I work, the more I have of it.