There are many talented people who haven't fulfilled their dreams because they over thought it, or they were too cautious, and were unwilling to make the leap of faith.
I do not believe in pure idioms. I think there is naturally a desire, for whoever speaks or writes, to sign in an idiomatic, irreplaceable manner.
I hate every human being on earth. I feel that everyone is beneath me, and I feel they should all worship me. That's what I told my kids. I think I must have been Adolf Hitler in a past life.