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The most important property of a program is whether it accomplishes the intention of its user.

I’m not good at being a hero, but I’ll try if it means I get to be your man.

You have to figure out what your own aptitudes are. If you play games where other people have the aptitudes and you don’t, you’re going to lose. And that’s as close to certain as any prediction that you can make. You have to figure out where you’ve got an edge. And you’ve got to play within your own circle of competence.

Precision in science requires both rigor and creativity.