My success is due more to my ability to work continuously on one thing without stopping than to any other single quality.

I have never seen the slightest scientific proof of the religious ideas of heaven and hell, of future life for individuals, or of a personal God.

That is to say, under the old way any time we wish to add to the national wealth we are compelled to add to the national debt. Now, that is what Henry Ford wants to prevent. He thinks it is stupid, and so do I, that for the loan of $30,000,000 of their own money the people of the United States should be compelled to pay $66,000,000 - that is what it amounts to, with interest.

To Monsieur Eiffel the Engineer, the brave builder of so gigantic and original a specimen of modern Engineering from one who has the greatest respect and admiration for all Engineers including the Great Engineer the Bon Dieu.

I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait until oil and coal run out before we tackle that.

The money one gets for selling one's soul is always spent in deadening one's conscience, so the net gain at the end of a lifetime is no greater than if the diabolic bargain had not been struck.

Keep on the lookout for novel ideas that others have used successfully. Your idea has to be original only in its adaptation to the problem you're working on.