There is a significant Latin proverb; to wit: Who will guard the guards?
Don't ever prophesy; for if you prophesy wrong, nobody will forget it; and if you prophesy right, nobody will remember it.
Wise men have but few confidants, and cunning ones none.
There are two kinds of fools: those who can't change their opinions and those who won't.
A learned fool is one who has read everything and simply remembered it.
Don't mistake pleasure for happiness. They are a different breed of dogs.