Let us rather live and die in the wilderness with thy presence and favour, than go into Canaan without it; for even that promise of rest I value not without thy presence. So he echoes back God's words to himself, and turns God's promise into a prayer.
Related Commentaries of Exodus 33:15
Exodus 33:15
15 And he said unto him, If thy presence go not with me, carry us not up hence.