“Gather for me seventy men of the elders of Israel, whom you know to be the elders of the people …” (v16). Moses’ desperation drove him to recognize his own inadequacy as a leader. He depended on his father-in-law (ch 10), but in a camp of thousands, he needed more. God directed him to choose experienced elders from among the people. “And I will take some of the Spirit that is on you and put it on them” (v17).
“And they shall bear the burden of the people with you, so that you may not bear it yourself alone” (v17). Bearing our cares alone exhausts us, but God has given us His Spirit and each other to lean on.