“Everything that happens is either endurable or not.
“If it’s endurable, then endure it. Stop complaining.
“If it’s unendurable … then stop complaining. Your destruction will mean its end as well.
“Just remember: you can endure anything your mind can make endurable, by treating it as in your interest to do so.” – Marcus Aurelius, “Meditations”
“Don’t waste the rest of your time here worrying about other people — unless it affects the common good. It will keep you from doing anything useful. You’ll be too preoccupied with what so-and-so is doing, and why, and what they’re saying, and what they’re thinking, and what they’re up to, and all the other things that throw you off and keep you from focusing on your own mind.
“You need to avoid certain things in your train of thought: everything random, everything irrelevant. And certainly everything self-important or malicious.”
Roland Klose 