Cease not, O my son, to hear instruction, and be not ignorant of the words of knowledge.

Proverbs 14:7 Go against a foolish man, and he knoweth not the lips of prudence.

Deuteronomy 13:1-4 If there rise in the midst of thee a prophet or one that saith he hath dreamed a dream, and he foretell a sign and a wonder, . . .

1 Kings 22:22-28 And he said: I will go forth, and be a lying spirit, in the mouth of all his prophets. And the Lord said: Thou shalt deceive him, and shalt prevail: go forth, and do so. . . .

Matthew 7:15 Beware of false prophets, who come to you in the clothing of sheep, but inwardly they are ravening wolves.

Matthew 16:6,12 Who said to them: Take heed and beware of the leaven of the Pharisees and Sadducees. . . .

Mark 4:24 And he said to them: Take heed what you hear. In what measure you shall mete, it shall be measured to you again, and more shall be given to you.

Mark 7:6-14 But he answering, said to them: Well did Isaias prophesy of you hypocrites, as it is written: This people honoureth me with their lips, but their heart is far from me. . . .

John 10:5 But a stranger they follow not, but fly from him, because they know not the voice of strangers.

2 Corinthians 11:13-15 For such false apostles are deceitful workmen, transforming themselves into the apostles of Christ. . . .

Ephesians 4:14 That henceforth we be no more children tossed to and fro and carried about with every wind of doctrine, by the wickedness of men, by cunning craftiness by which they lie in wait to deceive.

1 Timothy 4:7 But avoid foolish and old wives fables: and exercise thyself unto godliness.

1 Timothy 6:3-5 If any man teach otherwise and consent not to the sound words of our Lord Jesus Christ and to that doctrine which is according to godliness, . . .

2 Peter 2:1,2 But there were also false prophets among the people, even as there shall be among you lying teachers who shall bring in sects of perdition and deny the Lord who bought them: bringing upon themselves swift destruction. . . .

1 John 4:1 Dearly beloved, believe not every spirit, but try the spirits if they be of God: because many false prophets are gone out into the world.

2 John 1:10 If any man come to you and bring not this doctrine, receive him not into the house nor say to him: God speed you.

Revelation 2:2 I know thy works and thy labour and thy patience and how thou canst not bear them that are evil. And thou hast tried them who say they are apostles and are not: and hast found them liars: