'Keep' in the Bible

If we say we have fellowship with him and yet keep on walking in the darkness, we are lying and not practicing the truth.

Now by this we know that we have come to know God: if we keep his commandments.

The one who says "I have come to know God" and yet does not keep his commandments is a liar, and the truth is not in such a person.

and whatever we ask we receive from him, because we keep his commandments and do the things that are pleasing to him.

For this is the love of God: that we keep his commandments. And his commandments do not weigh us down,