i.e. If these men die by a natural death, or by plague, or sword, or some usual judgment, I am content that you take me for an impostor, falsely pretending to be sent of God. This he might well say, because he was inspired by God to say this, and infallibly assured by God that this should be done.
Related Commentaries of Numbers 16:29
Numbers 16:29
29 If these men die the common death of all men, or if they be visited after the visitation of all men; then the LORD hath not sent me.