Following are a number of back-translations of Matthew 21:13:

• Uma: “He said to them: ‘In the Holy Book God says like this: ‘My house is called a house of prayer.’ But you, you consider it a house of robbers!'” (Source: Uma Back Translation)
• Yakan: “He said to them, ‘It is written in the holy-book, God says, ‘My house is called a house for prayer.’ But you,’ said Isa, ‘you have made the house of God like a house for thieves to hide in.'” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “He said to them, ‘There is a written word of God which says, ‘My house is called a house of praying.’ ‘However,’ said Jesus, ‘you have made it into a place where cheaters live.'” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “and he said to them, ‘It is written in God’s word, ‘My house, it will be called a place-for-people -to-pray.’ But you, you have changed-it-into a place-for-you -to-cheat your companions!'” (Source: Kankanaey Back Translation)
• Tagbanwa: “He said to them, ‘It is contained in the written word of God, ‘My house where I am worshipped will be called a house which is a place-for-prayer.’ But you have made it a nest of thieves!'” (Source: Tagbanwa Back Translation)
• Tenango Otomi: “He said to the people: ‘In the Holy Book is written the word where God says: ‘My house is named the house where prayer is to God,’ but you make it where thieves gather.'” (Source: Tenango Otomi Back Translation)

For the Old Testament quote, see Jeremiah 7:11 and Isaiah 56:7.