Darwin's original theory made no attempt to explain how life first originated. It addressed only the changes over time in that life, resulting in new species.
"Darwin's original theory made no attempt to explain how life first originated. It addressed only the changes over time in that life, resulting in new species."
You write as though Darwin and his original theory are two separate entities. Now if Darwin claimed there to be a primordial "warm pond" beginning then your claim that he did not address origination is not accurate.