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

A person won't become proficient at something until he or she has done it many times. In other words., if you want someone to be really good at building a software system, he or she will have to have built 10 or more systems of that type. -- Philip Greenspun

The art of getting someone else to do something you want done because he wants to do it [Leadership]. -- Dwight D. Enseinhover.

Thus, programs must be written for people to read, and only incidentally for machines to execute. -- Alan J. Perlis

There are two ways of constructing a software design; one way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult. -- C. A. R. Hoare

If Java had true garbage collection, most programs would delete themselves upon execution. -- Robert Sewell

There are two types of people who will tell you that you cannot make a difference in this world: those who are afraid to try and those who are afraid you will succeed. ~Ray Goforth

If you want to achieve greatness stop asking for permission. ~Anonymous

I’ve learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel. –Maya Angelou

The road to success and the road to failure are almost exactly the same. ~Colin R. Davis