Isaiah 44:22,23
I have blotted out, as a thick cloud, your transgressions, and, as a cloud, your sins: return to me; for I have redeemed you.
Torrey's Topical Textbook—AKJV

Isaiah 51:11
Therefore the redeemed of the LORD shall return, and come with singing to Zion; and everlasting joy shall be on their head: they shall obtain gladness and joy; and sorrow and mourning shall flee away.
Torrey's Topical Textbook—AKJV