Deuteronomy 1:9
"At that time I said to you, 'I am not able to bear you by myself.
Exodus 18:18
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.
Numbers 11:11-14
Moses said to the LORD, "Why have you dealt ill with your servant? And why have I not found favor in your sight, that you lay the burden of all this people on me?
Numbers 11:17
And I will come down and talk with you there. And I will take some of the Spirit that is on you and put it on them, and they shall bear the burden of the people with you, so that you may not bear it yourself alone.