If there is no contrast, there is no understanding. How would you know what light is if there was no darkness. How would you know the character of a righteous and holy God if there wasn’t a back drop of sin.

Romans 9:15-23 NKJV 15 For He says to Moses, "I will have mercy on whomever I will have mercy, and I will have compassion on whomever I will have compassion."

16 So then it is not of him who wills, nor of him who runs, but of God who shows mercy.

17 For the Scripture says to Pharaoh, "For this very purpose I have raised you up, that I may show My power in you, and that My name may be declared in all the earth."

18 Therefore He has mercy on whom He wills, and whom He wills He hardens.

19 You will say to me then, "Why does He still find fault? For who has resisted His will?"

20 But indeed, O man, who are you to reply against God? Will the thing formed say to him who formed it, "Why have you made me like this?"

21 Does not the potter have power over the clay, from the same lump to make one vessel for honor and another for dishonor?

22 What if God, wanting to show His wrath and to make His power known, endured with much longsuffering the vessels of wrath prepared for destruction,

23 and that He might make known the riches of His glory on the vessels of mercy, which He had prepared beforehand for glory,