A couple of Mark Twain quotes I love
“Worrying is like paying a debt you don’t owe”
And “I’ve had many troubles in my life, most of which never happened”
But also that thought is the cornerstone of both Buddhism and stoicism, which I believe are the only real philosophy or psychology 95% of us actually need.
Well that and the fact that it can’t rain all the time, just to circle around and not completely derail.