The test of whether people love what they do is whether they'd do it even if they weren't paid for it — even if they had to work at another job to make a living
The third big lesson we can learn from open source and blogging is that ideas can bubble up from the bottom, instead of flowing down from the top. Open source and blogging both work bottom-up: people make what they want, and the best stuff prevails.
“One of the biggest mistakes you can make is to think that overpriced and going down tomorrow are synonymous. Markets that are overpriced often keep going.” -Marks