Even the simplest calculation in the purest mathematics can have terrible consequences. Without the invention of the infinitesimal calculus most of o… - Stanisław Ulam

There may be such a thing as habitual luck. People who are said to be lucky at cards probably have certain hidden talents for those games in which skill plays a role. It is like hidden parameters in physics, this ability that does not surface and that I like to call "habitual luck".

I am always amazed how much a certain facility with a special and apparently narrow technique can accomplish.

I was still very hopeful that much work lay ahead of me. Perhaps because much of what I had worked on or thought about had not yet been put into writing, I felt I still had things in reserve. Given this optimistic nature, I feel this way even now when I am past sixty.