"then they shall sell the living ox": Scripture speaks of oxen of equal value (one of which gored the other). But perhaps it speaks of oxen of unequal value? Would you say that? What is the way of the damagers? To profit or to lose" — To lose. And what is the way of the damaged? To take (the amount of) their damage or more than their damage? — Not more than their damage. (So that to avert this possibility, the first assumption [equal value] must be posited.)