The most useful piece of learning for the uses of life is to unlearn what is untrue.
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.
The most necessary learning is that which unlearns evil.
Royalty does good and is badly spoken of.
As rust corrupts iron, so envy corrupts man.
I am sadly afraid that I must have done some wicked thing.