Matthew Poole and continuators on Genesis 19:19

19 Behold now, thy servant hath found grace in thy sight, and thou hast magnified thy mercy which thou hast shewed unto me in saving my life, and I cannot escape to the mountain , lest some evil take me, and I die.

Because of the infirmity of my age, and the fainting of my spirits. Thus he sheweth an unworthy and unreasonable distrust of Gods Power and Goodness which he had now experienced and acknowledged.