Proverbs 26:3

A whip for the horse, the curb for the ass, and the rod for the back of the foolish.

Psalm 32:9

Ye shall not be as the horse, as the mule, not understanding: with bit and curb to stop his youth, not drawing near to thee.

Proverbs 10:13

In the lips of him understanding, wisdom shall be found: and a rod for the back of him wanting heart

Judges 8:5-7

And he will say to the men of Succoth, Ye shall give now rounds of bread to the people who are at my feet: for they are faint, and I am pursuing after Zebah and Zalmunna, kings of Midian.

Proverbs 17:10

A reproof will take hold upon, him understanding more than a hundred, blows the foolish.

Proverbs 19:25

Thou shalt strike him mocking, and the simple will be crafty: and reprove to him understanding, and he will understand knowledge.

Proverbs 19:29

Judgment was prepared for those mocking, and blows for the back of the foolish.

Proverbs 27:22

If thou shalt pound the foolish in a mortar in the midst of the grain with a pestle, thou shalt not remove from him his folly.

1 Corinthians 4:21

What will ye? should I come to you with a rod, or in love, and in the spirit of meekness?

2 Corinthians 10:6

And having in readiness to avenge every imperfect instruction, when your obedience should be completed.

2 Corinthians 13:2

I have said before, and say beforehand, as being present the second; and being away now I write to them having sinned before, and to all the rest, that, if I should 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 understanding, wisdom shall be found: and a rod for the back of him wanting heart
Proverbs 17:10
A reproof will take hold upon, him understanding more than a hundred, blows the foolish.
Proverbs 19:25
Thou shalt strike him mocking, and the simple will be crafty: and reprove to him understanding, and he will understand knowledge.
Proverbs 27:22
If thou shalt pound the foolish in a mortar in the midst of the grain with a pestle, thou shalt not remove from him his folly.
Judges 8:5
And he will say to the men of Succoth, Ye shall give now rounds of bread to the people who are at my feet: for they are faint, and I am pursuing after Zebah and Zalmunna, kings of Midian.
Psalm 32:9
Ye shall not be as the horse, as the mule, not understanding: with bit and curb to stop his youth, not drawing near to thee.
1 Corinthians 4:21
What will ye? should I come to you with a rod, or in love, and in the spirit of meekness?
2 Corinthians 10:6
And having in readiness to avenge every imperfect instruction, when your obedience should be completed.
2 Corinthians 13:2
I have said before, and say beforehand, as being present the second; and being away now I write to them having sinned before, and to all the rest, that, if I should come again, I will not spare: