In the context of inflationary cosmology, it is fair to say that the universe is the ultimate free lunch.

I didn’t do it. Nobody saw me do it. You can’t prove it.

Finance is more like sex than science.

In Krylov subspace algorithms, the solution is just a sideproduct; the residuals are what’s important.

I decry the current tendency to seek patents on algorithms. There are better ways to earn a living than to prevent other people from making use of one’s contributions to computer science.