simple

Proverbs 4:26
Make level paths for your feet, and all your ways will be sure.

Proverbs 22:3
The prudent see danger and take cover, but the simple keep going and suffer the consequences.

Proverbs 27:12
The prudent see danger and take cover; but the simple keep going and pay the penalty.

Romans 16:18, 19
For such people are not serving our Lord Christ, but their own appetites. By smooth talk and flattery they deceive the hearts of the naive. . . .

Ephesians 4:14
Then we will no longer be infants, tossed about by the waves and carried around by every wind of teaching and by the clever cunning of men in their deceitful scheming.

Ephesians 5:17
Therefore do not be foolish, but understand what the Lord's will is.

1 John 4:1
Beloved, do not believe every spirit, but test the spirits to see whether they are from God. For many false prophets have gone out into the world.

the prudent

Proverbs 14:8
The wisdom of the prudent is to discern his way, but the folly of fools deceives them.

Amos 5:13
Therefore, the prudent keep silent in such times, for the days are evil.

Acts 13:7
an attendant of the proconsul, Sergius Paulus. The proconsul, a man of intelligence, summoned Barnabas and Saul because he wanted to hear the word of God.