The real competition is not between products, but between business models.

I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.

The study of Galois representations is a testament to the beauty of algebraic geometry.

The process is the art; the product is just evidence.

Efficiency is doing things right; effectiveness is doing the right things.

The greatest single achievement of computer science is the development of the concept of the algorithm.

The power of mathematics lies in its ability to simplify the complex.