Deuteronomy 1:9

At that time I said to you, I am not able to undertake the care of you by myself;

Exodus 18:18

Your strength and that of the people will be completely used up: this work is more than you are able to do by yourself.

Numbers 11:11-14

And Moses said to the Lord, Why have you done me this evil? and why have I not grace in your eyes, that you have put on me the care of all this people?

Numbers 11:17

And I will come down and have talk with you there: and I will take some of the spirit which is on you and put it on them, and they will take part of the weight of the people off you, so that you do not have to take it by yourself.

Treasury of Scripture Knowledge

Summary

And I spake unto you at that time, saying, I am not able to bear you myself alone:

General references

Bible References

I am not

Exodus 18:18
Your strength and that of the people will be completely used up: this work is more than you are able to do by yourself.
Numbers 11:11
And Moses said to the Lord, Why have you done me this evil? and why have I not grace in your eyes, that you have put on me the care of all this people?

General references

Numbers 11:14
I am not able by myself to take the weight of all this people, for it is more than my strength.
Deuteronomy 1:12
How is it possible for me by myself to be responsible for you, and undertake the weight of all your troubles and your arguments?

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain