Better safe than exsanguinated.
Death is only frightening from the near side.
...as nervous as a bird in a coal mine.
There's always, always a choice. My options might really, truly suck, but that doesn't mean there isn't a choice.
It rained toads the day the White Council came to town.
Nay, but prithee, with sprinkles 'pon it instead," I said solemnly, "and frosting of white.