Everyone knows that debugging is twice as hard as writing a program in the first place. So if you are as clever as you can be when you write it, how will you ever debug it? – Brian Kernighan
We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. – C.A.R. Hoare, quoted by Donald Knuth
I mean one of the things about being alone is that youve no people to define yourself off, I mean, people are like all-round mirrors, because lets face it, we dont often see ourselves all round in a mirror anyway, do we. – Diana Wynne Jones