7 distinct Hebrew words appear in this verse.

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

• 1John 4:1 — Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
• 1Kgs 22:22 — And the LORD said unto him, Wherewith? And he said, I will go forth, and I will be a lying spirit in the mouth of all his prophets. And he said, Thou shalt persuade him, and prevail also: go forth, an
• 1Tim 4:7 — But refuse profane and old wives’ fables, and exercise thyself rather unto godliness.
• 1Tim 6:3 — If any man teach otherwise, and consent not to wholesome words, even the words of our Lord Jesus Christ, and to the doctrine which is according to godliness;
• 2Cor 11:13 — For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
• 2John 1:10 — If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed:
• 2Pet 2:1 — But there were false prophets also among the people, even as there shall be false teachers among you, who privily shall bring in damnable heresies, even denying the Lord that bought them, and bring up
• Deut 13:1 — If there arise among you a prophet, or a dreamer of dreams, and giveth thee a sign or a wonder,
• Eph 4:14 — That we henceforth be no more children, tossed to and fro, and carried about with every wind of doctrine, by the sleight of men, and cunning craftiness, whereby they lie in wait to deceive;
• Jas 5:19 — Brethren, if any of you do err from the truth, and one convert him;
• Jer 23:16 — Thus saith the LORD of hosts, Hearken not unto the words of the prophets that prophesy unto you: they make you vain: they speak a vision of their own heart, and not out of the mouth of the LORD.
• John 10:5 — And a stranger will they not follow, but will flee from him: for they know not the voice of strangers.
• John 10:5 — And a stranger will they not follow, but will flee from him: for they know not the voice of strangers.
• Mark 4:24 — And he said unto them, Take heed what ye hear: with what measure ye mete, it shall be measured to you: and unto you that hear shall more be given.
• Mark 4:24 — And he said unto them, Take heed what ye hear: with what measure ye mete, it shall be measured to you: and unto you that hear shall more be given.
• Mark 7:6 — He answered and said unto them, Well hath Esaias prophesied of you hypocrites, as it is written, This people honoureth me with their lips, but their heart is far from me.
• Mark 8:15 — And he charged them, saying, Take heed, beware of the leaven of the Pharisees, and of the leaven of Herod.
• Matt 7:15 — Beware of false prophets, which come to you in sheep’s clothing, but inwardly they are ravening wolves.
• Matt 16:6 — Then Jesus said unto them, Take heed and beware of the leaven of the Pharisees and of the Sadducees.
• Matt 16:12 — Then understood they how that he bade them not beware of the leaven of bread, but of the doctrine of the Pharisees and of the Sadducees.
• Prov 14:7 — Go from the presence of a foolish man, when thou perceivest not in him the lips of knowledge.
• Prov 14:7 — Go from the presence of a foolish man, when thou perceivest not in him the lips of knowledge.