[和合本] 我们若爱 神，又遵守他的诫命，从此就知道我们爱 神的儿女。
[新标点] 我们若爱 神，又遵守他的诫命，从此就知道我们爱 神的儿女。
[和合修] 我们爱 神，又实行【有古卷是“遵行”】他的命令，由此就知道我们爱 神的儿女了。
[新译本] 我们若爱上帝，并且遵行他的命令，就知道我们是爱上帝的儿女了。
[当代修] 当我们爱上帝，遵行祂的命令时，便知道自己也爱祂的儿女。
[现代修] 由于我们爱上帝，并遵守他的命令，我们就知道我们爱他的儿女。
[吕振中] 我们爱上帝，又遵行他的诫命：在这一点、我们就知道我们爱上帝的儿女了。
[思高本] 几时我们爱天主，又遵行他的诫命，由此知道我们真爱天主的子女。
[文理本] 我侪若爱上帝而行其诫、则知爱上帝诸子矣、
[GNT] This is how we know that we love God's children: it is by loving God and obeying his commands.
[BBE] Everyone who has faith that Jesus is the Christ is a child of God: and everyone who has love for the Father has love for his child.
[KJV] By this we know that we love the children of God, when we love God, and keep his commandments.
[NKJV] By this we know that we love the children of God, when we love God and keep His commandments.
[KJ21] By this we know that we love the children of God: when we love God and keep His commandments.
[NASB] By this we know that we love the children of God, when we love God and (Lit do)follow His commandments.
[NRSV] By this we know that we love the children of God, when we love God and obey his commandments.
[WEB] By this we know that we love the children of God, when we love God and keep his commandments.
[ESV] By this we know that we love the children of God, when we love God and obey his commandments.
[NIV] This is how we know that we love the children of God: by loving God and carrying out his commands.
[NIrV] Everyone who believes that Jesus is the Christ is born again because of what God has done. And everyone who loves the Father loves his children as well.
[HCSB] This is how we know that we love God's children when we love God and obey His commands.
[CSB] This is how we know that we love God's children when we love God and obey His commands.
[AMP] By this we come to know (recognize and understand) that we love the children of God: when we love God and obey His commands (orders, charges)--[when we keep His ordinances and are mindful of His precepts and His teaching].
[NLT] We know we love God's children if we love God and obey his commandments.
[YLT] in this we know that we love the children of God, when we may love God, and His commands may keep;