The three great essentials to achieve anything worth while are: Hard work, Stick-to-itiveness, and Common sense.
I never pick up an item without thinking of how I might improve it.
There is much more opportunity than there are people to see it.
I am a vegetarian as well as a passionate anti-alcoholic, because I can thus make better use of my brain.
Life's most soothing things are a child's goodnight and sweet music.
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.