King James Version
And Moses answered and said, But, behold, they will not believe me, nor hearken unto my voice: for they will say, The LORD hath not appeared unto thee.English Standard Version
Then Moses answered, "But behold, they will not believe me or listen to my voice, for they will say, 'The LORD did not appear to you.'"New International Version
Moses answered, "What if they do not believe me or listen to me and say, 'The LORD did not appear to you'?"