There's no evidence whatsoever that Darwin had anything useful to say or anything to say period about how life began or how the universe began or how gravity began or how physics began or fluid motion or how thermodynamics began. He had nothing to say about that whatsoever.
Darwinism doesn't explain where gravity comes from. It doesn't explain where thermodynamics comes from. It doesn't explain where the laws of physics come from. It doesn't explain where matter comes from.