You can have premature generalization as well as premature optimization. -- Bjarne Stroustrup

It’s hard to grasp abstractions if you don’t understand what they’re abstracting away from. -- Nathan Weizenbaum

For the things we have to learn before we can do them, we learn by doing them. -- Aristotle.

We really have to get over the idea that some stuff is just worth knowing even if you never do anything with it. Human memories happily erase stuff that has no purpose, so why try to fill up children's heads with such stuff? -- Roger Schank, Engines for Education

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

Nobody can make you feel inferior without your consent. -- Eleanor Roosevelt

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

I attribute my success to this: I never gave or took any excuse. –Florence Nightingale

The only person you are destined to become is the person you decide to be. –Ralph Waldo Emerson

I have learned over the years that when one's mind is made up, this diminishes fear. –Rosa Parks