There's only one path to happiness. Keep this rule ready morning, noon, and night: Don't focus on things outside your control. Think that nothing truly belongs to you. Hand everything over to God, to Fortune — let them manage what Zeus has put them in charge of. You should pay attention only to what's actually yours, what can't be blocked or stopped. When you read, connect it back to this rule. Same with your writing and listening.
There is only one way to happiness, and let this rule be ready both in the morning and during the day and by night: the rule is not to look towards things which are out of the power of our will, to think that nothing is our own, to give up all things to the Divinity, to Fortune; to make them the superintendents of these things, whom Zeus also has made so; for a man to observe that only which is his own, that which cannot be hindered; and when we read, to refer our reading to this only, and our writing and our listening.