6 distinct Hebrew words appear in this verse.

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

• 1John 2:3 — And hereby we do know that we know him, if we keep his commandments.
• 1John 5:1 — Whosoever believeth that Jesus is the Christ is born of God: and every one that loveth him that begat loveth him also that is begotten of him.
• Deut 11:18 — Therefore shall ye lay up these my words in your heart and in your soul, and bind them for a sign upon your hand, that they may be as frontlets between your eyes.
• Deut 32:10 — He found him in a desert land, and in the waste howling wilderness; he led him about, he instructed him, he kept him as the apple of his eye.
• Deut 32:10 — He found him in a desert land, and in the waste howling wilderness; he led him about, he instructed him, he kept him as the apple of his eye.
• Isa 55:3 — Incline your ear, and come unto me: hear, and your soul shall live; and I will make an everlasting covenant with you, even the sure mercies of David.
• John 12:49 — For I have not spoken of myself; but the Father which sent me, he gave me a commandment, what I should say, and what I should speak.
• John 14:21 — He that hath my commandments, and keepeth them, he it is that loveth me: and he that loveth me shall be loved of my Father, and I will love him, and will manifest myself to him.
• John 15:14 — Ye are my friends, if ye do whatsoever I command you.
• Lev 18:5 — Ye shall therefore keep my statutes, and my judgments: which if a man do, he shall live in them: I am the LORD.
• Prov 4:4 — He taught me also, and said unto me, Let thine heart retain my words: keep my commandments, and live.
• Prov 4:4 — He taught me also, and said unto me, Let thine heart retain my words: keep my commandments, and live.
• Prov 4:13 — Take fast hold of instruction; let her not go: keep her; for she is thy life.
• Ps 17:8 — Keep me as the apple of the eye, hide me under the shadow of thy wings,
• Ps 17:8 — Keep me as the apple of the eye, hide me under the shadow of thy wings,
• Zech 2:8 — For thus saith the LORD of hosts; After the glory hath he sent me unto the nations which spoiled you: for he that toucheth you toucheth the apple of his eye.