Not to unlearn what you have learned is the most necessary kind of learning.
We must not contradict, but instruct him that contradicts us; for a madman is not cured by another running mad also.
Royalty does good and is badly spoken of.
I am sadly afraid that I must have done some wicked thing.
We weed out the darnel from the corn and the unfit in war, but do not excuse evil men from the service of the state.
As rust corrupts iron, so envy corrupts man.