Proverbs 14:15

The simple giveth credence to everything, And the prudent attendeth to his step.

Proverbs 4:26

Ponder thou the path of thy feet, And all thy ways are established.

Proverbs 14:8

The wisdom of the prudent is to understand his way, And the folly of fools is deceit.

Proverbs 22:3

The prudent hath seen the evil, and is hidden, And the simple have passed on, and are punished.

Proverbs 27:12

The prudent hath seen the evil, he is hidden, The simple have passed on, they are punished.

Amos 5:13

Therefore is the wise at that time silent, For an evil time it is.

Acts 13:7

who was with the proconsul Sergius Paulus, an intelligent man; this one having called for Barnabas and Saul, did desire to hear the word of God,

Romans 16:18-19

for such our Lord Jesus Christ do not serve, but their own belly; and through the good word and fair speech they deceive the hearts of the harmless,

Ephesians 4:14

that we may no more be babes, tossed and borne about by every wind of the teaching, in the sleight of men, in craftiness, unto the artifice of leading astray,

Ephesians 5:17

because of this become not fools, but -- understanding what is the will of the Lord,

1 John 4:1

Beloved, every spirit believe not, but prove the spirits, if of God they are, because many false prophets have gone forth to the world;

Treasury of Scripture Knowledge

Summary

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

Bible References

Simple

Proverbs 4:26
Ponder thou the path of thy feet, And all thy ways are established.
Proverbs 22:3
The prudent hath seen the evil, and is hidden, And the simple have passed on, and are punished.
Proverbs 27:12
The prudent hath seen the evil, he is hidden, The simple have passed on, they are punished.
Romans 16:18
for such our Lord Jesus Christ do not serve, but their own belly; and through the good word and fair speech they deceive the hearts of the harmless,
Ephesians 4:14
that we may no more be babes, tossed and borne about by every wind of the teaching, in the sleight of men, in craftiness, unto the artifice of leading astray,
Ephesians 5:17
because of this become not fools, but -- understanding what is the will of the Lord,
1 John 4:1
Beloved, every spirit believe not, but prove the spirits, if of God they are, because many false prophets have gone forth to the world;

The prudent

Proverbs 14:8
The wisdom of the prudent is to understand his way, And the folly of fools is deceit.
Amos 5:13
Therefore is the wise at that time silent, For an evil time it is.
Acts 13:7
who was with the proconsul Sergius Paulus, an intelligent man; this one having called for Barnabas and Saul, did desire to hear the word of God,