And both religious created a way to indirectly pay interest by turning it into a business partnership. i.e. when you are helping someone (a friend, relative) y

And both religious created a way to indirectly pay interest by turning it into a business partnership. i.e. when you are helping someone (a friend, relative) you don't pay interest. But when it's a business loaning the money that desire to help doesn't exist, and it becomes a business partnership instead. https://en.wikipedia.org/wiki/Loans_and_interest_in_Judaism https://en.wikipedia.org/wiki/Loans_and_interest_in_Judaism specifically: "Heter iska". And https://en.wikipedia.org/wiki/Murabaha https://en.wikipedia.org/wiki/Murabaha for Muslims (I think there are other forms as well). A copy of a Heter Iska: http://www.jlaw.com/Forms/iska_d.html http://www.jlaw.com/Forms/iska_d.html