The sympathy of sorrow is stronger than the sympathy of prosperity.

Great services are not canceled by one act or by one single error.

Never argue. In society nothing must be; give only results. If any person differs from you, bow, and turn the conversation.

Doubt is an element of criticism, and the tendency of criticism is necessarily skeptical.

Customs may not be as wise as laws, but they are always more popular.

One should conquer the world, not to enthrone a man, but an idea; for ideas exist forever.

Give a man a fish and he will eat for a day; teach a man to fish and he will eat for a lifetime; give a man religion and he will die praying for a fish.