'We should listen to Donald Knuth when he said, "We should forget about small efficiencies, about 97% of the time. Premature optimisation is the root of all evil." This is the most important thing that you'll ever hear as a software developer.'
If it breaks, make it heavier. If it doesn't, make it lighter.
A study done by a pair of Canadian psychologists uncovered something fascinating about people at the racetrack: Just after placing a bet, they are much more confident of their horse's chances of winning than they are immediately before laying down that bet...Like the other weapons of influence, this one lies deep within us... It is quite simply, our nearly obsessive desire to be (and to appear) consistent with what we have already done.
-Robert Cialdini, Influence: The Psychology of Persuasion
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