Frequently consider the connection of all things in the universe. .. We should not say 'I am an Athenian' or 'I am a Roman' but 'I am a citizen of the Universe.
Marcus AureliusIf you are pained by external things, it is not they that disturb you, but your own judgement of them. And it is in your power to wipe out that judgement now.
Marcus Aurelius