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Father, Husband, Rock Climber and Developer with 20 years experience in the industry (in that order).

Any fool can write code that a computer can understand. Good programmers write code that humans can understand.

Martin Fowler (2008)

Programmers waste enormous amounts of time thinking about, or worrying about, the speed of noncritical parts of their programs, and these attempts at efficiency actually have a strong negative impact when debugging and maintenance are considered. 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%.

Donald Ervin Knuth (Professor Emeritus at Stanford University, and winner of the 1974 Turing Award)