Proverbs 28:8

He who increases his wealth by excessive interest gathers it for one who has pity on the poor.

Leviticus 25:36

Take no interest from him or profit, but fear your God; that your brother may live among you.

Proverbs 13:22

A good man leaves an inheritance to his children's children, but the wealth of the sinner is stored for the righteous.

Exodus 22:25

"If you lend money to any of my people with you who is poor, you shall not be to him as a creditor; neither shall you charge him interest.

Proverbs 14:31

He who oppresses the poor shows contempt for his Maker, but he who is kind to the needy honors him.

2 Samuel 12:6

He shall restore the lamb fourfold, because he did this thing, and because he had no pity!"

Job 27:16-17

Though he heap up silver as the dust, and prepare clothing as the clay;

Proverbs 19:7

All the relatives of the poor shun him: how much more do his friends avoid him! He pursues them with pleas, but they are gone.

Ecclesiastes 2:26

For to the man who pleases him, God gives wisdom, knowledge, and joy; but to the sinner he gives travail, to gather and to heap up, that he may give to him who pleases God. This also is vanity and a chasing after wind.

Ezekiel 18:8

he who has not given forth on interest, neither has taken any increase, who has withdrawn his hand from iniquity, has executed true justice between man and man,

Ezekiel 18:13

has given forth on interest, and has taken increase; shall he then live? he shall not live: he has done all these abominations; he shall surely die; his blood shall be on him.

Ezekiel 18:17

who has withdrawn his hand from the poor, who has not received interest nor increase, has executed my ordinances, has walked in my statutes; he shall not die for the iniquity of his father, he shall 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 leaves an inheritance to his children's children, but the wealth of the sinner is stored for the righteous.
Job 27:16
Though he heap up silver as the dust, and prepare clothing as the clay;
Ecclesiastes 2:26
For to the man who pleases him, God gives wisdom, knowledge, and joy; but to the sinner he gives travail, to gather and to heap up, that he may give to him who pleases God. This also is vanity and a chasing after wind.

Unjust gain

Leviticus 25:36
Take no interest from him or profit, but fear your God; that your brother may live among you.
Ezekiel 18:8
he who has not given forth on interest, neither has taken any increase, who has withdrawn his hand from iniquity, has executed true justice between man and man,

Pity

Proverbs 19:7
All the relatives of the poor shun him: how much more do his friends avoid him! He pursues them with pleas, but they are gone.
2 Samuel 12:6
He shall restore the lamb fourfold, because he did this thing, and because he had no pity!"

General references

Exodus 22:25
"If you lend money to any of my people with you who is poor, you shall not be to him as a creditor; neither shall you charge him interest.
Leviticus 11:34
All food which may be eaten, that on which water comes, shall be unclean; and all drink that may be drunk in every such vessel shall be unclean.
Leviticus 25:14
"'If you sell anything to your neighbor, or buy from your neighbor, you shall not wrong one another.