Deuteronomy 1:9
And I spoke to you at that time, saying, I am not able to bear you myself alone.
Exodus 18:18
Thou will surely wear away, both thou, and this people that is with thee, for the thing is too heavy for thee. Thou are not able to perform it thyself alone.
Numbers 11:11-14
And Moses said to LORD, Why have thou dealt ill with thy servant? And why have I not found favor in thy sight, that thou lay the burden of all this people upon me?
Numbers 11:17
And I will come down and talk with thee there. And I will take from the Spirit which is upon thee, and will put it upon them, and they shall bear the burden of the people with thee, that thou not bear it thyself alone.