11 distinct Greek words appear in this verse.

• Truth

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

• 1Cor 15:33 — Be not deceived: evil communications corrupt good manners.
• 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.
• 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.
• 2Cor 11:13 — For such are false apostles, deceitful workers, transforming themselves into the apostles of Christ.
• 2John 1:8 — Look to yourselves, that we lose not those things which we have wrought, but that we receive a full reward.
• 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
• 2Thess 2:2 — That ye be not soon shaken in mind, or be troubled, neither by spirit, nor by word, nor by letter as from us, as that the day of Christ is at hand.
• 2Thess 2:3 — Let no man deceive you by any means: for that day shall not come, except there come a falling away first, and that man of sin be revealed, the son of perdition;
• 2Thess 2:3 — Let no man deceive you by any means: for that day shall not come, except there come a falling away first, and that man of sin be revealed, the son of perdition;
• Col 2:4 — And this I say, lest any man should beguile you with enticing words.
• Col 2:8 — Beware lest any man spoil you through philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ.
• Col 2:18 — Let no man beguile you of your reward in a voluntary humility and worshipping of angels, intruding into those things which he hath not seen, vainly puffed up by his fleshly mind,
• Deut 4:23 — Take heed unto yourselves, lest ye forget the covenant of the LORD your God, which he made with you, and make you a graven image, or the likeness of any thing, which the LORD thy God hath forbidden th
• 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;
• Eph 5:6 — Let no man deceive you with vain words: for because of these things cometh the wrath of God upon the children of disobedience.
• Eph 5:6 — Let no man deceive you with vain words: for because of these things cometh the wrath of God upon the children of disobedience.
• Heb 3:12 — Take heed, brethren, lest there be in any of you an evil heart of unbelief, in departing from the living God.
• Heb 13:9 — Be not carried about with divers and strange doctrines. For it is a good thing that the heart be established with grace; not with meats, which have not profited them that have been occupied therein.
• Jer 29:8 — For thus saith the LORD of hosts, the God of Israel; Let not your prophets and your diviners, that be in the midst of you, deceive you, neither hearken to your dreams which ye cause to be dreamed.
• Jer 29:8 — For thus saith the LORD of hosts, the God of Israel; Let not your prophets and your diviners, that be in the midst of you, deceive you, neither hearken to your dreams which ye cause to be dreamed.
• Jer 37:9 — Thus saith the LORD; Deceive not yourselves, saying, The Chaldeans shall surely depart from us: for they shall not depart.
• Luke 21:8 — And he said, Take heed that ye be not deceived: for many shall come in my name, saying, I am Christ; and the time draweth near: go ye not therefore after them.
• Luke 21:8 — And he said, Take heed that ye be not deceived: for many shall come in my name, saying, I am Christ; and the time draweth near: go ye not therefore after them.
• Mark 13:5 — And Jesus answering them began to say, Take heed lest any man deceive you:
• Mark 13:22 — For false Christs and false prophets shall rise, and shall shew signs and wonders, to seduce, if it were possible, even the elect.
• Matt 7:15 — Beware of false prophets, which come to you in sheep’s clothing, but inwardly they are ravening wolves.