"Even the sanest man alive can be driven over the edge by one bad day"  
- Joker, "The Killing Joke"

"Someone asked how I was feeling. I said 'you know when you lean back in a chair, and you lean back so far you almost fall, but you catch yourself at the last second? I feel like that all the time.'"  
- Steven Wright

Just added this to my collection:  
"Like a game of pick-up sticks played by fucking lunatics."  
- Tatu (from "Show Me Love")