If we compiled a complete list of these, we would be horrified.

Something that I often say to myself to end contemplation paralysis is "What's the worst that can happen?" or "What's the worst case scenario?" If I'm debating trying something in the kitchen. "What's the worst that can happen? I waste a few cups of flour and some yeast."

“It is what it is”

At the end of the day, you never know.

Inshallah (wikipedia)

Getting up from the sofa, combining the "old man standing up"-noises with a vague "yes, yes, yes..." then walking away.

I think there are some wise uses for “it is what it is” and YOLO, but that is mostly internal dialogue stuff. In conversation it feels way different.

I kinda like 'its all good'. Which I never took to mean it was good but 'what you say when things go horribly wrong' as a joking meaning,aka it's the situation you can't change now so just go with it until you can change things.