Heaven goes by favor. If it went by merit, you would stay out and your dog would go in.

A man's character may be learned from the adjectives which he habitually uses in conversation.

Sleep not when others speak, sit not when others stand, speak not when you should hold your peace, walk not when others stop.

Let your conversation be without malice or envy, for it is a sign of a tractable and commendable nature; and in all cases of passion admit reason to govern.

I can calculate the motion of heavenly bodies, but not the madness of people.

A bore is a person who opens his mouth and puts his feats in it.