Fools ignore complexity. Pragmatists suffer it. Some can avoid it. Geniuses remove it. -- Alan J. Perlis (Epigrams in programming)

Opportunities that present themselves to you are the consequence -- at least partially -- of being in the right place at the right time. They tend to present themselves when you're not expecting it -- and often when you are engaged in other activities that would seem to preclude you from pursuing them. And they come and go quickly -- if you don't jump all over an opportunity, someone else generally will and it will vanish. -- Marc Andreessen (http://blog.pmarca.com/)

The minute you put the blame on someone else you’ve switch things from being a problem you can control to a problem outside of your control. -- engtech (internetducttape.com)

A tail call allows a function to return the result of another function without leaving an entry on the stack. Tail recursion is a specific case of tail calling. -- ASPN : Python Cookbook : Explicit Tail Call

Premature optimization is the root of all evil (or at least most of it) in programming. -- Donald Knuth

The hardest part of design ... is keeping features out. -- Donald Norman

Real difficulties can be overcome; it is only the imaginary ones that are unconquerable. ~Theodore N. Vail

To accomplish great things, we must not only act, but also dream, not only plan, but also believe.~ Anatole France

Success is the sum of small efforts, repeated day-in and day-out. ~Robert Collier

The only way to do great work is to love what you do. –Steve Jobs