One must choose in life between boredom and suffering.
Wit lies in recognizing the resemblance among things which differ and the difference between things which are alike.
The voice of conscience is so delicate that it is easy to stifle it; but it is also so clear that it is impossible to mistake it.
The greatest happiness is to transform one's feelings into action.
Scientific progress makes moral progress a necessity; for if man's power is increased, the checks that restrain him from abusing it must be strengthened.
Wit consists in knowing the resemblance of things that differ, and the difference of things that are alike.
Search for the truth is the noblest occupation of man; its publication is a duty.
The mystery of existence is the connection between our faults and our misfortunes.
To be totally understanding makes one very indulgent.
Innocence in genius, and candor in power, are both noble qualities.