Related:

• One can be instructed in society, one is inspired only in solitude. -- Goethe
• Solitude is impractible, and society fatal. -- Emerso
• It is hard work and great art to make life not so serious.
  Prostitutes know this too. -- John Irving, The Hotel New Hampshire...
• Be able to be alone. Lose not the advantage of solitude, and the society of thyself.
• That all men should be brothers is the dream of people who have no brothers.
  -- Charles Chincholles, "Pensees de tout le monde...
• Wars not make one great.
• Punctuality is disappointing if no one is there to appreciate it.
• Be good, sweet maid, and let who will be clever; Do noble things, not dream them, all day long
  And so make life, death, and that vast forever One grand sweet song....