There's a way to do it better - find it.

It is astonishing what an effort it seems to be for many people to put their brains definitely and systematically to work.

I never pick up an item without thinking of how I might improve it.

From his neck down a man is worth a couple of dollars a day, from his neck up he is worth anything that his brain can produce.

Absorb ideas from every source.

The only thing I use my body for is to carry my brain around.

I never failed. It just didn't work 10,000 times.