You are not only good yourself, but the cause of goodness in others.
The only safe and sure way to destroy an enemy is to make him your friend.
It takes your enemy and your friend, working together, to hurt you to the heart; the one to slander you and the other to get the news to you.
Men are more like the times they live in than they are like their fathers.
All history is propaganda of the victorious.
A man who is "of sound mind" is one who keeps the inner madman under lock and key.
He makes no friend who never made a foe.
The main thing is to make history, not to write it.
Half a calamity is better than a whole one.
As you get older, it is harder to have heroes, but it is sort of necessary.