Related:

• When Zeno was asked what a friend was, he replied, "Another I.
  -- Diogenes Laertius (c. 200 AD) -- Zeno, xix...
• But Chrysippus, Posidonius, Zeno, and Boethus say, that all things are produced by fate.
  And fate is a connected cause of existing things, or the reason according to which the world is regulated....
• He used to teach that God is incorporeal, as Plato also asserted, and that his providence extends over all the heavenly bodies.
  -- Diogenes Laertius (c. 200 AD) -- Aristotle, xiii...
• They say that the first inclination which an animal has is to protect itself.
  -- Diogenes Laertius (c. 200 AD) -- Zeno, lii...
• They also say that God is an animal immortal, rational
  perfect, and intellectual in his happiness, unsusceptible of any kind of evil, having a foreknowledge of the universe and of all that is in the universe...
• He used to say that other men lived to eat, but that he ate to live.
  -- Diogenes Laertius (c. 200 AD) -- Socrates, xvi...
• Plato affirmed that the soul was immortal and clothed in many bodies successively.
  -- Diogenes Laertius (c. 200 AD) -- Plato, xl...
• He declared that he knew nothing, except the fact of his ignorance.
  -- Diogenes Laertius (c. 200 AD) -- Socrates, xvi...
• He alludes to the appearance of a face in the orb of the moon.
  -- Diogenes Laertius (c. 200 AD) -- Epicurus, xxv...