By understanding a machine-oriented language, the programmer will tend to use a much more efficient method; it is much closer to reality.

The process of preparing programs for a digital computer is especially attractive, not only because it can economically and scientifically rewarding, but also because it can be an aesthetic experience much like composing poetry or music.

The most important thing in the programming language is the name. A language will not succeed without a good name. I have recently invented a very good name and now I am looking for a suitable language.

The designer of a new kind of system must participate fully in the implementation.

We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Yet we should not pass up our opportunities in that critical 3%

The best theory is inspired by practice.

The enjoyment of one's tools is an essential ingredient of successful work.