I know no real worth but that tranquil firmness which seeks dangers by duty, and braves them without rashness.
To believe with certainty, we must begin with doubting.
Genius speaks only to genius.
Gaiety is the soul's health; sadness is its poison.
Misers are very kind people: they amass wealth for those who wish their death.
There are few defects in our nature so glaring as not to be veiled from observation by politeness and good-breeding.