A lot of great fortunes in the world have been made by owning a single wonderful business. If you understand the business, you don't need to own very many of them.
My interest in science was always essentially limited to the study of principles.... That I have published so little is due to this same circumstance, as the great need to grasp principles has caused me to spend most of my time on fruitless pursuits.
They say I need to be seasoned; they say I need to be stewed. They say, 'We need to boil all the hope out of him -- like us -- and then he'll be ready.'
Strength is the outcome of need; security sets a premium on feebleness. The work of ameliorating the conditions of life -- the true civilizing process that makes life more and more secure -- had gone steadily on to a climax... And the harvest was what I saw.