Acts 13:7

he was with the proconsul Sergius Paulus, a man of prudence: who sent for Barnabas and Saul, desiring to hear the word of God.

Romans 16:18-19

for such as these serve not our Lord Jesus Christ, but their own selfishness; and by flourish and flattery, deceive the open-hearted simple.

Ephesians 4:14

that we should be no longer children, fluctuating, and carried about with every empty doctrine, by men vers'd in sleight and the crafty arts of deceit:

Ephesians 5:17

wherefore be not imprudent, but consider what is agreeable to the divine will.

1 John 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.

Treasury of Scripture Knowledge

Summary

The simple believeth every word: but the prudent man looketh well to his going.

The prudent

Bible References

Simple

Romans 16:18
for such as these serve not our Lord Jesus Christ, but their own selfishness; and by flourish and flattery, deceive the open-hearted simple.
Ephesians 4:14
that we should be no longer children, fluctuating, and carried about with every empty doctrine, by men vers'd in sleight and the crafty arts of deceit:
Ephesians 5:17
wherefore be not imprudent, but consider what is agreeable to the divine will.
1 John 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.

The prudent

Acts 13:7
he was with the proconsul Sergius Paulus, a man of prudence: who sent for Barnabas and Saul, desiring to hear the word of God.