life's too short
Examples
We take life seriously, but life's too short to take too seriously. That's where bouncy castles come in.
Life's too short to drink bad wine or smoke poor cigars.
I try not to spend too much time on partisan politics. Life's too short for that. I don't really believe that there have been many human problems solved by politics.
It's up to you how you waste your time and money. I'm staying here to read: life's too short.
Life's too short to hang out with people who aren't resourceful.
Life's too short to be a Go-Go for twenty years.