Acts 13:7
who was with the proconsul Sergius Paulus, an intelligent man; he inviting to his house Barnabas and Saul, desired earnestly to hear the word of God.
Romans 16:18-19
For such are not servants to our Lord Jesus Christ, but to their own belly; and by smooth speeches and flattering commendations deceive the hearts of the guileless.
Ephesians 4:14
that we should be no longer infants, floating on the waves, and carried about with every wind of novel doctrine, by the juggling of men, by their craftiness after the delusive wiles of error;
Ephesians 5:17
Therefore be not unwise, but intelligent concerning what is the will of the Lord.
1 John 4:1
BELOVED, believe not every pretender to inspiration, but bring these spirits to the trial whether they are of God; because many false prophets are gone forth into the world.