In the Old Testament, Naaman had leprosy and was told what to do to be healed. His initial reaction was not good, but then he was convinced to just do as the man of God had instructed.
2 Kings 5:10-14
10 Elisha sent a messenger to him, saying, “Go and wash in the Jordan seven times, and your flesh will be restored to you and you will be clean.” 11 But Naaman was furious and went away and said, “Behold, I thought, ‘He will surely come out to me and stand and call on the name of the Lord his God, and wave his hand over the place and cure the leper.’ 12 Are not Abanah and Pharpar, the rivers of Damascus, better than all the waters of Israel? Could I not wash in them and be clean?” So he turned and went away in a rage. 13 Then his servants came near and spoke to him and said, “My father, had the prophet told you to do some great thing, would you not have done it? How much more then, when he says to you, ‘Wash, and be clean’?” 14 So he went down and dipped himself seven times in the Jordan, according to the word of the man of God; and his flesh was restored like the flesh of a little child and he was clean.
Shouldn’t we also do just as God’s word instructs in order to wash away our sins?
38 Peter said to them, “Repent, and each of you be baptized in the name of Jesus Christ for the forgiveness of your sins; and you will receive the gift of the Holy Spirit.”
Sometimes the best response is to just do it.
— Sebastian Stroughter