Your most unhappy customers are your greatest source of learning.
The great thing about a computer notebook is that no matter how much you stuff into it, it doesn't get bigger or heavier.
Your parents weren't always like this, they only became this way after you came along.
Success is a lousy teacher. It seduces smart people into thinking they can't lose.
Just in terms of allocation of time resources, religion is not very efficient. There's a lot more I could be doing on a Sunday morning.