You will never stub your toe standing still. The faster you go, the more chance there is of stubbing your toe, but the more chance you have of getting somewhere.

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.

I could do nothing without my problems; they toughen my mind. In fact, I tell my assistants not to bring me their successes for they weaken me, but rather to bring me their problems, for they strengthen me.

You can send a message around the world in one-fifth of a second, yet it may take years for it to get from the outside of a man's head to the inside.

People think of the inventor as a screwball, but no one ever asks the inventor what he thinks of other people.

99 percent of success is built on failure.

If you want to kill any idea in the world, get a committee working on it.