Photography is painting with light. -- Eric Hamilton

In general, we can think of data as defined by some collection of selectors and constructors, together with specified conditions that these procedures must fulfill in order to be a valid representation. -- SICP, What is meant by data?

I think that a lot of programmers are ignoring an important point when people talk about reducing code repetition on large projects. Part of the idea is that large projects are intrinsically *wrong*. That you should be looking at making a number of smaller projects that are composable, even if you never end up reusing one of those smaller projects elsewhere. -- Dan Nugent

To the optimist, the glass is half full. To the pessimist, the glass is half empty. To the engineer, the glass is twice as big as it needs to be. -- author unknown (quoted in `Robust Systems', Gerald Jay Suseman)

A society that puts equality -- in the sense of equality of outcome -- ahead of freedom will end up with neither equality nor freedom. The use of force to achieve equality will destroy freedom, and the force, introduced for good purposes, will end up in the hands of people who use it to promote their own interests. -- Milton Friedman (Thomas Sowell: A Conflict of Visions, p130)

No problem should ever have to be solved twice. -- Eric S. Raymond, How to become a hacker

Don’t be afraid to give up the good to go for the great. ~John D. Rockefeller

It’s not the years in your life that count. It’s the life in your years. –Abraham Lincoln

You can do anything, but not everything. ~Anonymous

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