The whole secret of a successful life is to find out what is one's destiny to do, and then do it.

I didn't get much peace, but I heard in Norway that Russia might well become a huge market for tractors soon.

Thinking without constructive action becomes a disease.

Experience is the thing of supreme value".

Merely gathering knowledge may become the most useless work a man can do. What can you do to help and heal the world? That is the educational test.

I invented nothing new. I simply combined the inventions of others into a car. Had I worked fifty or ten or even five years before, I would have failed.

He who would really benefit mankind must reach them through their work.