Deuteronomy 1:9
And I said unto you the same season, 'I am not able to bear you myself alone.
Exodus 18:18
Thou doest unwisely and also this people that is with thee: because the thing is too grievous for thee, and thou art not able to do it thyself alone.
Numbers 11:11-14
And Moses said unto the LORD, "Wherefore dealest thou so cruelly with thy servant? Wherefore do I not find favour in thy sight, seeing that thou puttest the weight of this people upon me?
Numbers 11:17
And I will come down and talk with thee there, and take of the spirit which is upon thee and put upon them, and they shall bear with thee in the burden of the people, and so shalt thou not bear alone.