约翰一书 5:2
By this we know that we love the children of God, when we love God, and keep his commandments.
Context
This verse from 约翰一书 Chapter 5 connects to 7 cross-references. 凡信耶稣是基督的，都是从神而生的。使我们胜了世界的，就是我们的信心。有三样作见证：圣灵、水与血，这三样是一致的。这些话写给你们，使你们知道自己有永生。若有人看见弟兄犯了不至于死的罪，就当为他祈求。
其他译本
Hereby we know that we love the children of God, when we love God and do his commandments.
in this we know that we love the children of God, when we may love God, and His commands may keep;
In this way, we are certain that we have love for the children of God, when we have love for God and keep his laws.
交叉参考
A new commandment I give unto you, That ye love one another; as I have loved you, that ye also …
By this shall all men know that ye are my disciples, if ye have love one to another.
These things I command you, that ye love one another.
But whoso keepeth his word, in him verily is the love of God perfected: hereby know we that we are …
And whatsoever we ask, we receive of him, because we keep his commandments, and do those things that are pleasing …
And he that keepeth his commandments dwelleth in him, and he in him. And hereby we know that he abideth …
And this commandment have we from him, That he who loveth God love his brother also.