“Serenity and stability are the results of your choices and judgment, not your environment. If you seek to avoid all disruptions to tranquility—other people, external events, stress—you will never be successful. Your problems will follow you wherever you run and hide. But if you seek to avoid the harmful and disruptive judgments that cause those problems, then you will be stable and steady wherever you happen to be.”
Ryan Holiday, The Daily Stoic (Page 19)