In the practical world of computing, it is rather uncommon that a program, once it performs correctly and satisfactorily, remains unchanged forever.

Software is getting slower more rapidly than hardware becomes faster.

A primary cause of complexity is that software vendors uncritically adopt almost any feature that users want.

Software gets slower faster than hardware gets faster. (Or, sometimes known by] Grove [the head of Intel] giveth and Gates [the head of Microsoft] taketh away.)

Software gets slower faster than hardware gets faster.

A good designer must rely on experience, on precise, logic thinking; and on pedantic exactness. No magic will do.

Prolific programmers contribute to certain disaster.