fourescore yeares old] Moses lived in affliction and banishment forty yeares, before he entered upon his office to deliver his oppressed Brethren all that while; and before Moses was borne, were the children of Israel afflicted by the King of Egypt, and his people: which may teach his servants in all ages, to waite upon God with faith and patience, because, though he forbeare their enemies for a time, he doth not forget his servants at all, nor will suffer the rod of the wicked alwaies to rest upon the lot of the righteous, Psalms 125:3. And though Moses and Aaron were so old, yet as it was said of Moses, (albeit he lived to the age of an hundred and twenty yeares) his eye was not dimme, nor his naturall force abated, Deut. 34. vers. 7. so might it be with Aaron, though three yeares older at his death. Numbers 33:39. and so both of them by the abilities of their bodies, and minds, and the reverence and respect due to such a venerable age, they were the more fit to undertake a service, which required all qualifications of honour, and energie of power to make it effectuall. Besides, the noting of the ages of such eminent persons, maketh up the Chronologie or computation of time, whereby the accomplishment of the prophecie (Genesis 15:13.) may be cleared.