Proverbs 28:8

Whoso is multiplying his wealth by biting and usury, For one favouring the poor doth gather it.

Leviticus 25:36

thou takest no usury from him, or increase; and thou hast been afraid of thy God; and thy brother hath lived with thee;

Proverbs 13:22

A good man causeth sons' sons to inherit, And laid up for the righteous is the sinner's wealth.

Exodus 22:25

'If thou dost lend My poor people with thee money, thou art not to him as a usurer; thou dost not lay on him usury;

Proverbs 14:31

An oppressor of the poor reproacheth his Maker, And whoso is honouring Him Is favouring the needy.

2 Samuel 12:6

and the ewe-lamb he doth repay fourfold, because that he hath done this thing, and because that he had no pity.'

Job 27:16-17

If he heap up as dust silver, And as clay prepare clothing,

Proverbs 19:7

All the brethren of the poor have hated him, Surely also his friends have been far from him, He is pursuing words -- they are not!

Ecclesiastes 2:26

For to a man who is good before Him, He hath given wisdom, and knowledge, and joy; and to a sinner He hath given travail, to gather and to heap up, to give to the good before God. Even this is vanity and vexation of spirit.

Ezekiel 18:8

In usury he doth not give, and increase taketh not, From perversity he turneth back his hand, True judgment he doth between man and man.

Ezekiel 18:13

In usury he hath given, and increase taken, And he liveth: he doth not live, All these abominations he hath done, He doth surely die, his blood is on him.

Ezekiel 18:17

From the afflicted he hath turned back his hand, Usury and increase he hath not taken, My judgments he hath done, In My statutes he hath walked, He doth not die for the iniquity of his father, He doth surely live.

Treasury of Scripture Knowledge

Summary

He that by usury and unjust gain increaseth his substance, he shall gather it for him that will pity the poor.

Bible References

That by

Proverbs 13:22
A good man causeth sons' sons to inherit, And laid up for the righteous is the sinner's wealth.
Job 27:16
If he heap up as dust silver, And as clay prepare clothing,
Ecclesiastes 2:26
For to a man who is good before Him, He hath given wisdom, and knowledge, and joy; and to a sinner He hath given travail, to gather and to heap up, to give to the good before God. Even this is vanity and vexation of spirit.

Unjust gain

Leviticus 25:36
thou takest no usury from him, or increase; and thou hast been afraid of thy God; and thy brother hath lived with thee;
Ezekiel 18:8
In usury he doth not give, and increase taketh not, From perversity he turneth back his hand, True judgment he doth between man and man.

Pity

Proverbs 19:7
All the brethren of the poor have hated him, Surely also his friends have been far from him, He is pursuing words -- they are not!
2 Samuel 12:6
and the ewe-lamb he doth repay fourfold, because that he hath done this thing, and because that he had no pity.'

General references

Exodus 22:25
'If thou dost lend My poor people with thee money, thou art not to him as a usurer; thou dost not lay on him usury;
Leviticus 11:34
Of all the food which is eaten, that on which cometh such water, is unclean, and all drink which is drunk in any such vessel is unclean;
Leviticus 25:14
'And when thou sellest anything to thy fellow, or buyest from the hand of thy fellow, ye do not oppress one another;