The dove is my emblem....
I am proud of the fact that I never invented weapons to kill.
Genius is one per cent inspiration and ninety-nine per cent perspiration.... Accordingly, a genius is often merely a talented person who has done all of his or her homework.
Until man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge....
Its obvious that we don't know one millionth of one percent about anything.
I believe that the science of chemistry alone almost proves the existence of an intelligent creator....
Think of a lie three thousand miles long....
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.
The doctor of the future will give no medicine, but will interest his patients in the care of the human body, in diet, and in the cause and prevention of disease.
I use my body just to carry my brain around!
Someday, man will harness the rise and fall of the tides, imprison the power of the sun, and release atomic power.
Whatever the mind of man creates, should be controlled by man's character.
Just because something doesn't do what you planned it to do in the first place doesn't mean it's useless.
If parents pass enthusiasm along to their children, they will leave them an estate of incalculable value.
Results? Why, man, I have gotten lots of results! If I find 10,000 ways something won't work, I haven't failed.