A hacker is someone who enjoys playful cleverness — not necessarily with computers.
The use of “hacker” to mean “security breaker” is a confusion on the part of the mass media. We hackers refuse to recognize that meaning, and continue using the word to mean someone who loves to program, someone who enjoys playful cleverness, or the combination of the two.
If you want to accomplish something in the world, idealism is not enough — you need to choose a method that works to achieve the goal. In other words, you need to be pragmatic.
'The main argument for the term "open source software" is that "free software" makes some people uneasy. That's true: talking about freedom, about ethical issues, about responsibilities as well as convenience, is asking people to think about things they might rather ignore. This can trigger discomfort, and some people may reject the idea for that. It does not follow that society would be better off if we stop talking about these things.