There are a couple new ones at the bottom.
From the World:
The only constant is change.
-Lots of people. It's a common thought.
A witty phrase proves nothing.
What's the point of a good quote if you can't misquote it? [paraphrased. No, really.]
Build high the walls; build strong the beams...take strength from those who need you.
-Tarzan, Two Worlds
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
-Batman, Batman: The Brave and the Bold
No one can make you feel inferior without your consent.
That's not just bluffing when you have bad cards, that's bluffing when you have no cards at all.
-Sergeant Colon of Discworld
“I’m not surprised. It is easy to forget that good things can happen just as unexpectedly as the bad things!”
From My Life:
When sightsinging, sing as if you know the piece.
-My Choir Teacher