Nothing is more fatal to happiness than the remembrance of happiness.
Each of us really understands in others only those feelings he is capable of producing himself.
Be faithful to that which exists within yourself.
An opinion, though it is original, does not necessarily differ from the accepted opinion; the important thing is that it does not try to conform to it.
By the time a philospher answers a question weve usually forgotten what was asked.
A desire for truth is by no means a need for certitude and it would be unwise to confuse one with the other.