Related:

• They say that the first inclination which an animal has is to protect itself.
  -- Diogenes Laertius (c. 200 AD) -- Zeno, lii...
• The Stoics also teach that God is unity, and that he is called Mind and Fate and Jupiter, and by many other names besides.
  -- Diogenes Laertius (c. 200 AD) -- Zeno, lxviii...
• When Zeno was asked what a friend was, he replied, "Another I.
  -- Diogenes Laertius (c. 200 AD) -- Zeno, xix...
• 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...
• All things are in common among friends. -- Diogenes Laertius (c. 200 AD) -- Diogenes, vi
• One of the sophisms of Chrysippus was, "If you have not lost a thing, you have it.
  -- Diogenes Laertius (c. 200 AD) -- Chrysippus, xi...
• One ought to seek out virtue for its own sake, without being influenced by fear or hope, or by any external influence.
  Moreover, that in that does happiness consist. -- Diogenes Laertius (c. 200 AD) -- Zeno, liii...
• Anaximander used to assert that the primary cause of all things was the Infinite,--not defining exactly whether he meant air or water or anything else.
  -- Diogenes Laertius (c. 200 AD) -- Anaximander, ii...
• Apollodorus says, "If any one were to take away from the books of Chrysippus all the passages which he quotes from other authors, his paper would be left empty.
  -- Diogenes Laertius (c. 200 AD) -- Chrysippus, iii...