Twenty percent of all input forms filled out by people contain bad data.

My work was fairly theoretical. It was in recursive function theory. And in particular, hierarchies of functions in terms of computational complexity. I got involved in real computers and programming mainly by being - well, I was interested even as I came to graduate school.

I can't recall any difficulty in making the C language definition completely open - any discussion on the matter tended to mention languages whose inventors tried to keep tight control, and consequent ill fate

The only way to learn a new programming language is by writing programs in it.

For infrastructure technology, C will be hard to displace.

Unix has retarded OS research by 10 years and linux has retarded it by 20.

I listen to mostly-classical music, but mostly by radio - I'm not an audiophile.