Exodus 22:25 If you lend money to any of my people that is poor by you, you shall not be to him as an usurer, neither shall you lay on him usury. Torrey's Topical Textbook
Leviticus 25:36,37 Take you no usury of him, or increase: but fear your God; that your brother may live with you. Torrey's Topical Textbook