You and the people with you will certainly wear yourselves out, for the thing is too heavy for you. You are not able to do it alone.
Moses was both lawgiver and judge, a type of Christ Himself. He sat composed and weighed each case, explaining God's statutes faithfully to people who came seeking His mind on hard matters. Happy were they to have such a certain oracle; we often wish for the same.
AI summary
Commenting on Exodus 18:13-27
Hearken now unto my voice, I will give thee counsel,.... Jethro being the elder man, and of some character and figure, being either a priest or prince of Midian, or both, might, without incurring a censure, take upon him to give advice to Moses, a younger man, and his son-in-law, though he was superior to him in office and in parts; and especially since his...
Thou wilt surely wear away - נבל תבל nabol tibbol, in wearing way, thou wilt wear away - by being thus continually employed, thou wilt soon become finally exhausted. And this people that is with thee; as if he had said, "Many of them are obliged to wait so long for the determination of their suit that their patience must be soon necessarily worn out...