Proverbs 28:8

He who augments his wealth with interest and with usury gathers it for him who is kind to the poor.

Leviticus 25:36

You must not take interest or usury from him, but you shall revere your God, and your countryman shall live with you.

Proverbs 13:22

He who is good will leave an inheritance to {his grandchildren}, and stored up for the righteous [is] the wealth of a sinner.

Exodus 22:25

" 'If you lend money [to] my people, [to] the needy with you, you will not be to him as a creditor; you will not {charge him interest}.

Proverbs 14:31

He who oppresses the poor insults him who made him, but he who has mercy on the poor honors him.

2 Samuel 12:6

He shall restore the ewe lamb fourfold because he has done this thing, and because he had no pity."

Job 27:16-17

If he heaps up silver like the dust and fashions clothing like the clay,

Proverbs 19:7

All the brothers of the poor, [if] they hate him, how much more will his friends keep away from him. He pursues [them with] words, [and] they are gone.

Ecclesiastes 2:26

For to the person who [is] good in his eyes, he gives wisdom, knowledge, and joy; but to the sinner he gives the task of gathering and heaping up only to give [it] to [him who is] pleasing to him. This also [is] vanity and chasing wind!

Ezekiel 18:8

[and] {he does not charge interest} and he takes no usury, [and] he holds back his hand from injustice [and] he executes judgment of fairness between {persons},

Ezekiel 18:13

{He charges interest} and takes usury. Then, shall he live? He shall not live, [for] he did all of these detestable things. Surely he will die! His blood will be on him.

Ezekiel 18:17

He brings back his hand from iniquity; he does not take interest and usury; he does my regulations; he goes in my statutes. He will not die because of the guilt of his father; he will 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
He who is good will leave an inheritance to {his grandchildren}, and stored up for the righteous [is] the wealth of a sinner.
Job 27:16
If he heaps up silver like the dust and fashions clothing like the clay,
Ecclesiastes 2:26
For to the person who [is] good in his eyes, he gives wisdom, knowledge, and joy; but to the sinner he gives the task of gathering and heaping up only to give [it] to [him who is] pleasing to him. This also [is] vanity and chasing wind!

Unjust gain

Leviticus 25:36
You must not take interest or usury from him, but you shall revere your God, and your countryman shall live with you.
Ezekiel 18:8
[and] {he does not charge interest} and he takes no usury, [and] he holds back his hand from injustice [and] he executes judgment of fairness between {persons},

Pity

Proverbs 19:7
All the brothers of the poor, [if] they hate him, how much more will his friends keep away from him. He pursues [them with] words, [and] they are gone.
2 Samuel 12:6
He shall restore the ewe lamb fourfold because he has done this thing, and because he had no pity."

General references

Exodus 22:25
" 'If you lend money [to] my people, [to] the needy with you, you will not be to him as a creditor; you will not {charge him interest}.
Leviticus 11:34
Any of the food that could be eaten on which water [from such a vessel] comes shall become unclean, and any liquid that could be drunk in any [such] vessel shall become unclean.
Leviticus 25:14
And when you sell something to your fellow citizen or [you] buy from your neighbor's hand, you must not oppress {one another}.