"If you ask me to name the proudest distinction of Americans, I would choose- because it contains all the others- the fact that they were the people who created the phrase “to make money”. No other language or nation had ever used these words before; men had always thought of wealth as a static quantity- to be seized, begged, inherited, shared, looted or obtained as a favor. Americans were the first to understand that wealth has to be created."
"To those who do not know mathematics it is difficult to get across a real feeling as to the beauty, the deepest beauty, of nature. … If you want to learn about nature, to appreciate nature, it is necessary to understand the language that she speaks in"