8 distinct Hebrew words appear in this verse.

3 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.
• Acts 20:29 — For I know this, that after my departing shall grievous wolves enter in among you, not sparing the flock.
• Dan 11:21 — And in his estate shall stand up a vile person, to whom they shall not give the honour of the kingdom: but he shall come in peaceably, and obtain the kingdom by flatteries.
• Matt 7:15 — Beware of false prophets, which come to you in sheep’s clothing, but inwardly they are ravening wolves.
• Rev 3:8 — I know thy works: behold, I have set before thee an open door, and no man can shut it: for thou hast a little strength, and hast kept my word, and hast not denied my name.
• Rom 16:18 — For they that are such serve not our Lord Jesus Christ, but their own belly; and by good words and fair speeches deceive the hearts of the simple.