18 distinct Greek words appear in this verse.

1 variant unit attested by manuscript witnesses and modern critical editions.

4 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 1John 2:7 — Brethren, I write no new commandment unto you, but an old commandment which ye had from the beginning. The old commandment is the word which ye have heard from the beginning.
• 1John 2:7 — Brethren, I write no new commandment unto you, but an old commandment which ye had from the beginning. The old commandment is the word which ye have heard from the beginning.
• 1John 2:24 — 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.
• 1John 3:11 — For this is the message that ye heard from the beginning, that we should love one another.
• 1John 3:11 — For this is the message that ye heard from the beginning, that we should love one another.
• 1John 3:14 — We know that we have passed from death unto life, because we love the brethren. He that loveth not his brother abideth in death.
• 1John 3:23 — And this is his commandment, That we should believe on the name of his Son Jesus Christ, and love one another, as he gave us commandment.
• 1John 4:7 — Beloved, let us love one another: for love is of God; and every one that loveth is born of God, and knoweth God.
• 1John 4:20 — If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not his brother whom he hath seen, how can he love God whom he hath not seen?
• 1Pet 1:22 — Seeing ye have purified your souls in obeying the truth through the Spirit unto unfeigned love of the brethren, see that ye love one another with a pure heart fervently:
• 1Pet 4:8 — And above all things have fervent charity among yourselves: for charity shall cover the multitude of sins.
• 1Thess 4:9 — But as touching brotherly love ye need not that I write unto you: for ye yourselves are taught of God to love one another.
• 2John 1:1 — The elder unto the elect lady and her children, whom I love in the truth; and not I only, but also all they that have known the truth;
• 2John 1:6 — And this is love, that we walk after his commandments. This is the commandment, That, as ye have heard from the beginning, ye should walk in it.
• 2Pet 1:7 — And to godliness brotherly kindness; and to brotherly kindness charity.
• Eph 4:1 — I therefore, the prisoner of the Lord, beseech you that ye walk worthy of the vocation wherewith ye are called,
• Eph 5:2 — And walk in love, as Christ also hath loved us, and hath given himself for us an offering and a sacrifice to God for a sweetsmelling savour.
• Heb 13:1 — Let brotherly love continue.
• Heb 13:1 — Let brotherly love continue.
• John 13:34 — A new commandment I give unto you, That ye love one another; as I have loved you, that ye also love one another.
• John 13:34 — A new commandment I give unto you, That ye love one another; as I have loved you, that ye also love one another.
• John 15:12 — This is my commandment, That ye love one another, as I have loved you.