Aristotle said that the beginning of all philosophy is wonder. The reason for surprise is always something unknown. And the unknown is a risk.
One day I was doing pull-ups in the gym and a mini-epiphany happened to me. I did 10 pull-ups and stopped.
One day I was lying in shavasana and probably fell asleep. I had a dream. I swam, or rather surfaced, rapidly moving upward towards the surface.