If we wish to count lines of code, we should not regard them as lines produced but as lines spent. -- Edsger Dijkstra

Vigorous writing is concise. A sentence should contain no unnecessary words, a paragraph no unnecessary sentences, for the same reason that a drawing should have no unnecessary lines and a machine no unnecessary parts. This requires not that the writer make all sentences short or avoid all detail and treat subjects only in outline, but that every word tell. -- William Strunk, Jr. (The Elements of Style)

Beware of bugs in the above code; I have only proved it correct, not tried it. -- Donald Knuth

If it looks like a duck, walks like a duck, and quacks like a duck, it's a duck. -- Official definition of "duck typing"

Remember: you are alone. Every time you can get help from someone, it is an opportunity: you should eagerly size it. But then, promptly return to normal mode: you are alone and you must be prepared to solve every problem yourself. -- Eric KEDJI

Rules of Optimization: Rule 1: Don’t do it. Rule 2 (for experts only): Don’t do it yet. -- M.A. Jackson

Be miserable. Or motivate yourself. Whatever has to be done, it’s always your choice. ~Wayne Dyer

The starting point of all achievement is desire. ~Napolean Hill

Innovation distinguishes between a leader and a follower. ~Steve Jobs

We become what we think about. –Earl Nightingale