And Peter said to them, “Repent [change your old way of thinking, turn from your sinful ways, accept and follow Jesus as the Messiah] and be baptized, each of you, in the name of Jesus Christ because of the forgiveness of your sins; and you will receive the gift of the Holy Spirit.

So repent [change your inner self—your old way of thinking, regret past sins] and return [to God—seek His purpose for your life], so that your sins may be wiped away [blotted out, completely erased], so that times of refreshing may come from the presence of the Lord [restoring you like a cool wind on a hot day];