Anger is an acid that can do more harm to the vessel in which it is stored than to anything on which it is poured.
The fact that man knows right from wrong proves his intellectual superiority to the other creatures; but the fact that he can do wrong proves his moral inferiority to any creatures that cannot.
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.
It is curious - curious that physical courage should be so common in the world, and moral courage so rare.
My kind of loyalty is loyalty to one's country, not to its institutions or its office-holders.
The secret of success is making your vocation your vacation.
Whenever you find yourself on the side of the majority, it's time to pause and reflect.