"Anybody could see that quantum mechanics must lead to the tetrahedral carbon atom, because we have it. But the equations were so complicated that I never could be sure that I could present the argumen…"

"Do not let your special talents in chemistry, your love for chemistry, keep you from developing your talents in other fields. Do not let yourself be a narrow specialist."

"I had begun to think about the theory of the chemical bond very seriously in 1926, '27, after quantum mechanics was discovered and then in 1928 I published a paper, a preliminary paper, and said that …"

"The only way to do great work is to love what you do."

"I have something that I call my Golden Rule. It goes something like this: 'Do unto others twenty-five percent better than you expect them to do unto you.' … The twenty-five percent is for error."