Metaphysics is the science of proving what we don't understand.
I don't never have any trouble in regulating my own conduct, but to keep other folks' straight is what bothers me.
There are two kinds of fools: those who can't change their opinions and those who won't.
No one can disgrace us but ourselves.
A good reliable set of bowels is worth more to a man than any quantity of brains.
About the most originality that any writer can hope to achieve honestly is to steal with good judgment.