Accomplishing something provides the only real satisfaction in life.

I never knew I had an inventive talent until Phrenology told me so. I was a stranger to myself until then!

When there's no experimenting there's no progress. Stop experimenting and you go backward. If anything goes wrong, experiment until you get to the very bottom of the trouble.

The value of an idea lies in the using of it.

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

I am a vegetarian as well as a passionate anti-alcoholic, because I can thus make better use of my brain.

Good fortune is what happens when opportunity meets with planning.