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

We should continually be striving to transform every art into a science: in the process, we advance the art.

Science is knowledge which we understand so well that we can teach it to a computer; and if we don't fully understand something, it is an art to deal with it.

The sun comes up just about as often as it goes down, in the long run, but this doesn't make its motion random.

Beware of bugs in the above code; I have only proved it correct, not tried it.

Premature optimization is the root of all evil.

The psychological profiling [of a programmer] is mostly the ability to shift levels of abstraction, from low level to high level. To see something in the small and to see something in the large.