'Abide' in the Bible

Let that therefore abide in you, which ye have heard from the beginning. If that which ye have heard from the beginning shall remain in you, ye also shall continue in the Son, and in the Father.

But the anointing which ye have received of him abideth in you, and ye need not that any man teach you: but as the same anointing teacheth you of all things, and is truth, and is no lie, and even as it hath taught you, ye shall abide in him.

And now, little children, abide in him; that, when he shall appear, we may have confidence, and not be ashamed before him at his coming.

But whoever has the world’s goods, and sees his brother in need and closes his heart against him, how does the love of God abide in him?

The one who habitually keeps His commandments [obeying His word and following His precepts, abides and] remains in Him, and He in him. By this we know and have the proof that He [really] abides in us, by the Spirit whom He has given us [as a gift].

This is how we know that we abide in him and he in us: he has given us his Spirit.