Reference for Isaiah 12:1

וְאָֽמַרְתָּ֙ בַּיּ֣וֹם הַה֔וּא אוֹדְךָ֣ יְהוָ֔ה כִּ֥י אָנַ֖פְתָּ בִּ֑י יָשֹׁ֥ב אַפְּךָ֖ וּֽתְנַחֲמֵֽנִי׃

And in that day thou shalt say: ‘I will give thanks unto Thee, O LORD; For though Thou was angry with me, Thine anger is turned away, and Thou comfortest me.