Related:

• It takes a wise man to discover a wise man. -- Diogenes Laertius (c. 200 AD) -- Xenophanes, iii
• Xenophanes speaks thus:-- And no man knows distinctly anything, And no man ever will.
  -- Diogenes Laertius (c. 200 AD) -- Pyrrho, viii...
• Protagoras asserted that there were two sides to every question, exactly opposite to each other.
  -- Diogenes Laertius (c. 200 AD) -- Protagoras, iii...
• Diogenes said once to a person who was showing him a dial, "It is a very useful thing to save a man from being too late for supper.
  -- Diogenes Laertius (c. 200 AD) -- Menedemus, iii...
• He used to define justice as "a virtue of the soul distributing that which each person deserved.
  -- Diogenes Laertius (c. 200 AD) -- Aristotle, xi...
• Plato affirmed that the soul was immortal and clothed in many bodies successively.
  -- Diogenes Laertius (c. 200 AD) -- Plato, xl...
• Plato was continually saying to Xenocrates, "Sacrifice to the Graces.
  -- Diogenes Laertius (c. 200 AD) -- Xenocrates, iii...
• They say that the first inclination which an animal has is to protect itself.
  -- Diogenes Laertius (c. 200 AD) -- Zeno, lii...
• Diogenes would frequently praise those who were about to marry, and yet did not marry.
  -- Diogenes Laertius (c. 200 AD) -- Diogenes, iv...