The unavoidable price of reliability is simplicity.

You cannot teach beginners top-down programming, because they don't know which end is up.

Premature optimization is the root of all evil in programming.

I call it my billion-dollar mistake. It was the invention of the null reference in 1965.

An ultimate joint challenge for the biological and the computational sciences is the understanding of the mechanisms of the human brain, and its relationship with the human mind.

I was eventually persuaded of the need to design programming notations so as to maximize the number of errors which cannot be made, or if made, can be reliably detected at compile time.

The unavoidable price of reliability is simplicity.