FORTRAN is not a flower but a weed - it is hardy, occasionally blooms, and grows in every computer.
We toast the Lisp programmer who pens his thoughts within nests of parentheses.
One man's constant is another man's variable.
In software systems it is often the early bird that makes the worm.
You think you KNOW when you learn, are more sure when you can write, even more when you can teach, but certain when you can program.
Optimization hinders evolution. Everything should be built top-down, except the first time. Simplicity does not precede complexity, but follows it.