Socrates said he was not an Athenian or a Greek, but a citizen of the world.

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• I am not an Athenian or a Greek,
  I am a citizen of the world. --...
• Socrates said, "Bad men live that they may eat and drink,
  whereas good men eat and drink that they may live."...
• As Caesar was at supper the discourse was of death,
  which sort was the best. "That," said he, "which is...
• Phocion compared the speeches of Leosthenes to cypress-trees.
  "They are tall," said he, "and comely, but bear no...
• These Macedonians," said he, "are a rude and clownish people,
  that call a spade a spade." -- Plutarch (46-120 AD)...
• Pythagoras, when he was asked what time was, answered that it was the soul of this world.
  Plutarch (46-120 AD) -- Platonic Questions, viii,...
• Asked from what country he came, he replied, "I am a citizen of the world." -
  Diogenes Laertius (c. 200 AD) -- Diogenes,...
• He said that there was one only good, namely, knowledge;
  and one only evil, namely, ignorance. -- Diogenes...
• Xenophanes said, "I confess myself the greatest coward in the world,
  for I dare not do an ill thing." -- Plutarch (46-120...