This is the final warning. Because The Lord does not change, Israel has been spared thus far. However, they are given one last chance to understand the drastic measures He is about to take if they do not repent.
It is scary for those who choose not to repent or feel that it's in vain to follow Him. However, there is hope for the one who endures, for the one who believes in the promises of God. The Lord declares that there is a distinction between the two.