I know on which side my bread is buttered.

Things are more like they are today than they ever were before.

Progress might have been all right once, but it's gone on too long.

He who knows, does not speak. He who speaks, does not know.

When alerted to an intrusion by tinkling glass or otherwise, 1) Calm yourself 2) Identify the intruder 3) If hostile, kill him. Step number 3 is of particular importance. If you leave the guy alive out of misguided softheartedness, he will repay y

Never look a gift horse in the mouth.