Most of the time, the things that really change the world exist for something fundamentally selfish and then the world-changing ends up being a side-effect of that.? — Andrew Mason?
What do you believe is possible? What do you believe is impossible? What do you believe is possible for you? What do you believe...
If you're going to have an attitude, it might as well be a good one that annoys people.
In theory, there is no difference between theory and practice. In practice there is. — Yogi Berra