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

The only problems we can really solve in a satisfactory manner are those that finally admit a nicely factored solution. -- E. W. Dijkstra, The humble programmer

Normality is the route to nowhere. -- Ridderstrale & Nordstorm, Funky Business

There are many ways to avoid success in life, but the most sure-fire just might be procrastination. -- Hara Estroff Marano.

An expert is, according to my working definition "someone who doesn't need to look up answers to easy questions". -- Eric Lippert.

Sometimes a man with too broad a perspective reveals himself as having no real perspective at all. A man who tries too hard to see every side may be a man who is trying to avoid choosing any side. A man who tries too hard to seek a deeper truth may be trying to hide from the truth he already knows. That is not a sign of intellectual sophistication and "great thinking". It is a demonstration of moral degeneracy and cowardice. -- Steven Den Beste

You may only succeed if you desire succeeding; you may only fail if you do not mind failing. ~Philippos

No masterpiece was ever created by a lazy artist.~ Anonymous

The successful warrior is the average man, with laser-like focus. ~Bruce Lee

It is not what you do for your children, but what you have taught them to do for themselves, that will make them successful human beings. –Ann Landers