I donโt mind citing a bad author if the line is good.
There are no greater wretches in the world than many of those whom people in general take to be happy.
No one can wear a mask for very long.
Golden roofs break men's rest.
But when you are looking on anyone as a friend when you do not trust him as you trust yourself, you are making a grave mistake, and have failed to grasp sufficiently the full force of true friendship.
Life's neither a good nor an evil: it's a field for good and evil.