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

I invented the term Object-Oriented, and I can tell you I did not have C++ in mind. -- Alan Kay

Programming is the art of figuring out what you want so precisely that even a machine can do it. -- Some guy who isn't famous

Hence my urgent advice to all of you to reject the morals of the bestseller society and to find, to start with, your reward in your own fun. This is quite feasible, for the challenge of simplification is so fascinating that, if we do our job properly, we shall have the greatest fun in the world. -- E. W. Dijkstra, On the nature of computing science.

Courage is grace under pressure. -- Ernest Hemingway

A CS professor once explained recursion as follows: A child couldn't sleep, so her mother told her a story about a little frog, who couldn't sleep, so the frog's mother told her a story about a little bear, who couldn't sleep, so the bear's mother told her a story about a little weasel... who fell asleep. ...and the little bear fell asleep; ...and the little frog fell asleep; ...and the child fell asleep. -- everything2.com

I find that the harder I work, the more luck I seem to have. ~Thomas Jefferson

Definiteness of purpose is the starting point of all achievement. –W. Clement Stone

You can never cross the ocean until you have the courage to lose sight of the shore. –Christopher Columbus

When I let go of what I am, I become what I might be. –Lao Tzu