Following are a number of back-translations of 1 Peter 1:25:

• Uma: «but the Word of the Lord remains forever.’ This Word of the Lord, it is the Good News that was announced to you.» (Source: Uma Back Translation)
• Yakan: «But the word/message of God remains forever.’ This word/message is the good news proclaimed to you.» (Source: Yakan Back Translation)
• Western Bukidnon Manobo: «However, the Word of the Lord can never go out of existence forever.’ And as for the Word of God, it is what was preached to you.» (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: «but the word of the Lord, it remains-unchanging forever.’ This word of the Lord, this is the good news that was preached to you.» (Source: Kankanaey Back Translation)
• Tagbanwa: «But as for the word of God, it really lasts for ever.’ This word which is meant, it’s this, the Good News which is being taught to you.» (Source: Tagbanwa Back Translation)
• Tenango Otomi: «But this word of God is forever.’ This is the word of the good news which was preached to you.» (Source: Tenango Otomi Back Translation)

For the Old Testament quote, see Isaiah 40:6 – Isaiah 40:8.