Proverbs 26:3

A whip for the horse, a bridle for the ass, And a rod for the back of fools.

Psalm 32:9

Be ye not as the horse, or as the mule, which have no understanding; Whose trappings must be bit and bridle to hold them in, Else they will not come near unto thee.

Proverbs 10:13

In the lips of him that hath discernment wisdom is found; But a rod is for the back of him that is void of understanding.

Judges 8:5-7

And he said unto the men of Succoth, Give, I pray you, loaves of bread unto the people that follow me; for they are faint, and I am pursuing after Zebah and Zalmunna, the kings of Midian.

Proverbs 17:10

A rebuke entereth deeper into one that hath understanding Than a hundred stripes into a fool.

Proverbs 19:25

Smite a scoffer, and the simple will learn prudence; And reprove one that hath understanding, and he will understand knowledge.

Proverbs 19:29

Judgments are prepared for scoffers, And stripes for the back of fools.

Proverbs 27:22

Though thou shouldest bray a fool in a mortar with a pestle along with bruised grain, Yet will not his foolishness depart from him.

1 Corinthians 4:21

What will ye? shall I come unto you with a rod, or in love and a spirit of gentleness?

2 Corinthians 10:6

and being in readiness to avenge all disobedience, when your obedience shall be made full.

2 Corinthians 13:2

I have said beforehand, and I do say beforehand, as when I was present the second time, so now, being absent, to them that have sinned heretofore, and to all the rest, that, if I come again, I will not spare;

Treasury of Scripture Knowledge

Summary

A whip for the horse, a bridle for the ass, and a rod for the fool's back.

According to our notions, we should rather say, a bridle for the horse, and a whip for the ass; but it should be considered, that the eastern asses are not only much more beautiful, but better goers that ours; and being active and well broken, they need only a bridle to guide them; whereas their horses being scarce, and often caught wild, and badly broken, are much less manageable, and need the correction of the whip

Bible References

According to our notions, we should rather say, a bridle for the horse, and a whip for the ass; but it should be considered, that the eastern asses are not only much more beautiful, but better goers that ours; and being active and well broken, they need only a bridle to guide them; whereas their horses being scarce, and often caught wild, and badly broken, are much less manageable, and need the correction of the whip

Proverbs 10:13
In the lips of him that hath discernment wisdom is found; But a rod is for the back of him that is void of understanding.
Proverbs 17:10
A rebuke entereth deeper into one that hath understanding Than a hundred stripes into a fool.
Proverbs 19:25
Smite a scoffer, and the simple will learn prudence; And reprove one that hath understanding, and he will understand knowledge.
Proverbs 27:22
Though thou shouldest bray a fool in a mortar with a pestle along with bruised grain, Yet will not his foolishness depart from him.
Judges 8:5
And he said unto the men of Succoth, Give, I pray you, loaves of bread unto the people that follow me; for they are faint, and I am pursuing after Zebah and Zalmunna, the kings of Midian.
Psalm 32:9
Be ye not as the horse, or as the mule, which have no understanding; Whose trappings must be bit and bridle to hold them in, Else they will not come near unto thee.
1 Corinthians 4:21
What will ye? shall I come unto you with a rod, or in love and a spirit of gentleness?
2 Corinthians 10:6
and being in readiness to avenge all disobedience, when your obedience shall be made full.
2 Corinthians 13:2
I have said beforehand, and I do say beforehand, as when I was present the second time, so now, being absent, to them that have sinned heretofore, and to all the rest, that, if I come again, I will not spare;

American Standard Version Public Domain