You know, I never cared much for them for the longest time. I could appreciate other peoples', and that was fine, but I could never imagine putting one on myself, and anytime lurkette mentioned getting a tattoo, I was sort of against it.
Then I found this:
I know, I know, everybody's got chinese on them. I know.
That pair of symbols is "wu wei". After the notion of the Tao itself, wu-wei is probably the second most central concept of Taoism. Literally it translates to "no-action", and it expresses a way of being at one with one's surroundings and allowing one's actions to be given by and expressions of that oneness.
I'm not a Taoist exactly, but it's probably as close to what I'm working to create myself as as anything else commonly practiced by any world culture. And wu-wei is as close to what I'm out to bring myself into the world as as anything else I've ever seen.