Time is really the only capital that any human being has, and the only thing he can't afford to lose.

I am much less interested in what is called God's word than in God's deeds. All bibles are man-made.

It has been just so in all my inventions. The first step is an intuition-and comes with a burst, then difficulties arise. This thing that gives out and then that-"Bugs"as such little faults and difficulties are called show themselves and months of anxious watching, study and labor are requisite before commercial success-or failure-is certainly reached.

I consider Paine our greatest political thinker. As we have not advanced, and perhaps never shall advance, beyond the Declaration and Constitution, so Paine has had no successors who extended his principles.

I never perfected an invention that I did not think about in terms of the service it might give others... I find out what the world needs, then I proceed to invent.

When down in the mouth, remember Jonah. He came out all right.

I have not failed. I have successfully discovered 1200 ideas that don't work.