1John.2.3

And hereby we do know that we know him, if we keep his commandments.

1John.2.3

Here's how we can be sure that we know God in the right way: Keep his commandments.

1John.2.3

We know that we have come to know him if we obey his commands.

1John.2.3

Now by this we know that we know Him, if we keep His commandments.