The endeavor to change universal power by selfish supplication I do not believe in.
To invent, you need a good imagination and a pile of junk.
To have a great idea, have a lot of them.
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.
Ideas without execution are hallucinations.
The three great essentials to achieve anything worth while are: Hard work, Stick-to-itiveness, and Common sense.