it seems to me the origin of life, assuming you are speaking of the genesis of primitive forms of life like prokaryotes, is a much contested subject with very little real proof. which is why discussions usually end up in creationism debate, in the end it really just comes down to what you believe.
There are theories but how can we ever really prove anything?
Life Evolving: Molecules, Mind, and Meaning by Christian De Duve(2002) ISBN 0195156056
Christian De Duve is Beglian internationally acclaimed cytologist and biochemist, he discovered peroxisomes and lysosomes, cell organelles. He was awarded the shared Nobel Prize for Physiology or Medicine.
His later years have been mostly devoted to origin of life studies: His work has contributed to the emerging consensus that the endosymbiotic theory is correct.