It was my duty to have loved the highest; It surely was my profit had I known: It would have been my pleasure had I seen. We needs must love the highest when we see it, Not Lancelot, nor another.
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.