His eyes kindled and a slight flush sprang into his thin cheeks. For an instant the veil had lifted upon his keen, intense nature, but for an instant only. When I glanced again his face had resumed that red-Indian composure which had made so many regard him as a machine rather than a man.

Hatred comes from the heart; contempt from the head; and neither feeling is quite within our control. For we cannot alter our heart; its basis is determined by motives; and our head deals with objective facts, and applies to them rules which are immutable. Any given individual is the union of a particular heart with a particular head.

Be gentle to all, and stern with yourself.

All weather is sin-related. Lust causes thunder, anger causes fog, and you don't want to know what causes dew.

I have the power to choose my response.

You have little control over the world around you, but full control over the world within you.

Resolved, never to suffer the least motions of anger to irrational beings.

Any person capable of angering you becomes your master; he can anger you only when you permit yourself to be disturbed by him.

Men inflict injuries from hatred, jealousy or contempt, but the wise man masters all these passions by means of reason.

Leadership is much like nuclear energy. It is able to warm a whole city or bring it to waste in death and destruction; it's all in how it is used.

Adams understood that the secret to self-government is that the people must themselves be self-governing, which is to say they must be motivated by something beyond the law. Each individual must govern himself, and for this morality was plainly necessary.

I have pretty thick skin. I've been in the arena a long time, and that means that I am not going to get down with [Donald Trump] and go insult for insult.