The First Rule of Program Optimization: Don't do it.
—Michael A. Jackson
The Second Rule of Program Optimization—for experts only: Don't do it yet.
—Michael A. Jackson
Premature optimization is the root of all evil (or at least most of it) in programming.
— Donald E. Knuth
A fast program is just as important as a correct one—false!
—Steve McConnell
Optimizations always bust things, because all optimizations are, in the long haul, a form of cheating, and cheaters eventually get caught.
— Larry Wall
The key to performance is elegance, not battalions of special cases. The terrible temptation to tweak should be resisted unless the payoff is really noticeable.
— Jon L. Bentley and M. Douglas McIlroy
More computing sins are committed in the name of efficiency than for any other single reason—including blind stupidity.
— William A. Wulf
Improved efficiency comes at the cost of practically every other desirable product attribute.
— Martin Carroll and Margaret Ellis
When the "efficiency" programmers had trouble, they were loath to change their approach because they would then have to sacrifice some efficiency.
—Gerald M. Weinberg
Do not strive to write fast programs—strive to write good ones.
— Joshua Bloch
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