This, though it might seem difficult, yet is not at all impossible or incredible; especially seeing the learned affirm of the asses of Syria, that they were larger and stronger than ours, and so consequently were their bones. And withal, it must be acknowledged that there was something extraordinary and miraculous in this, as there was unquestionably in Samson's strength, and so all the difficulty vanisheth.
Related Commentaries of Judges 15:16
Judges 15:16
16 And Samson said, With the jawbone of an ass, heaps upon heaps, with the jaw of an ass have I slain a thousand men.