1 Whether original sin is properly and without any distinction man’s corrupt nature, substance, and essence, or at any rate the principal and best part of his essence [substance], namely, the rational soul itself in its highest state and powers; or whether, even after the Fall, there is a distinction between man’s substance, nature, essence, body, soul, and original sin, so that the nature [itself] is one thing, and original sin, which inheres in the corrupt nature and corrupts the nature, another.