In my case, I collect 'em. When I come across a good line, I scribble it down and save it for some future use. After a while, I began saving all the old ones. And if you'd like to see my full collection, here it is.
Sometimes I even make up my own. For those, you need to look at The Wit and Wisdom of Chairman Steve.
It's very much a social card game in that it leaves plenty of brain cells left over to heckle your opponents, drop blatant hints to your partner, and drink lots of beer and wine before your playing skills degrade. If you're looking for intense intellectual effort, go play bridge. And don't call me.It has now spread to Australia, England, and the Isle of Skye. Infect your neighbors today!