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 best programmers are not marginally better than merely good ones. They are an order-of-magnitude better, measured by whatever standard: conceptual creativity, speed, ingenuity of design, or problem-solving ability. -- Randall E. Stross

Don't worry about what anybody else is going to do. The best way to predict the future is to invent it. -- Alan Kay

Work as intensely as you play and play as intensely as you work. -- Eric S. Raymond, How To Be A Hacker

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

It would appear that we have reached the limits of what it is possible to achieve with computer technology, although one should be careful with such statements, as they tend to sound pretty silly in 5 years. -- John Von Neumann, circa 1949

A man can be as great as he wants to be. If you believe in yourself and have the courage, the determination, the dedication, the competitive drive and if you are willing to sacrifice the little things in life and pay the price for the things that are worthwhile, it can be done. ~Vince Lombardi

We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light. –Plato

I've missed more than 9000 shots in my career. I've lost almost 300 games. 26 times I've been trusted to take the game winning shot and missed. I've failed over and over and over again in my life. And that is why I succeed. –Michael Jordan

Knowledge is being aware of what you can do. Wisdom is knowing when not to do it. ~Anonymous