Cross-references Explore similar Bible verses on 1 John 5:2 in English Standard Version "By this we know that we love the children of God, when we love God and obey his commandments." 1Jo 2:5 but whoever keeps his word, in him truly the love of God is perfected. By this we may know that we are in him: 1Jo 3:24 Whoever keeps his commandments abides in God, and God in him. And by this we know that he abides in us, by the Spirit whom he has given us. 1Jo 4:13 By this we know that we abide in him and he in us, because he has given us of his Spirit.