Profitability and responsibility can go hand in hand.

Logical consequences are the scarecrows of fools and the beacons of wise men.  

Silence can sometimes be more powerful than words.

如果你不能理解某人为什么要做某事，那么看看他们行为的后果，不管他们可能是什么，然后从他们的后果中推断出动机。