The first precept was never to accept a thing as true until I knew it as such without a single doubt.
The strongest possible piece of advice I would give any young woman is: Don't screw around, and don't smoke.
There is an applause superior to that of the multitudes: one's own.
Never rely on the glory of the morning nor the smiles of your mother-in-law.
Always do right. This will gratify some people and astonish the rest.
Repetition does not transform a lie into a truth.
By all means marry; if you get a good wife, you'll be happy. If you get a bad one, you'll become a philosopher.