My Latin isn’t very good, so if i’m wrong someone will correct me…
Amo Christum = the love of Christ
Quid Retribuam Domino = what shall I render to the Lord. This is part of Psalm 115:3: Quid retribuam Domino pro omnibus quæ retribuit mihi ? (What shall I render to the Lord, for all the things he hath rendered unto me?)
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