We should often blush at our noblest deeds if the world were to see all their underlying motives.

Affected simplicity is an elegant imposture.

We are sometimes as different from ourselves as we are from others.

The exceeding delight we take in talking about ourselves should give us cause to fear that we are giving but very little pleasureto our listeners.

Sometimes there is equal or more ability in knowing how to use good advice than there is in giving it.

Never give anyone the advice to buy or sell shares, because the most benevolent price of advice can turn out badly.

Jealousy is in some measure just and reasonable, since it merely aims at keeping something that belongs to us or we think belongsto us, whereas envy is a frenzy that cannot bear anything that belongs to others.