Section 23. What considerations and objects are lawful, and what not

23. What considerations and objects are lawful, and what not .—The consideration or object of an — agreement is lawful, unless it is forbidden by law[4] ; or is of such a nature that if permitted, it would defeat the provisions of any law; or is fraudulent ; or involves or implies injury to the person or property of another; or the Court regards it as immoral, or opposed to public policy.