“Do you know what the mathematical expression is for longing? ... The negative numbers. The formalization of the feeling that you are missing something.”
“Formal mathematics is nature's way of letting you know how sloppyyour mathematics is.”
“When you can measure what you are speaking about, and express it in numbers, you know something about it, when you cannot express it in numbers, your knowledge is of a meager and unsatisfactory kind; it may be the beginning of knowledge, but you have scarely, in your thoughts advanced to the stage of science.”
“I’d learned a long time ago that you can’t prove a negative. You can prove that you did something, but it’s the devil to prove you didn’t do something.”
“Only in the world of mathematics do two negatives multiply into a positive.”
“Do you ever feel like you do something or are something for so long that it defines you?”