“ When God created our first parent in the earthly paradise, the Holy Scripture says that he infused sleep into Adam and while he slept took a rib from his left side of which he formed our mother Eve, and when Adam awoke and beheld her he said, ‘This is flesh of my flesh, and bone of my bone.’ And God said ‘For this shall a man leave his father and his mother, and they shall be two in one flesh; and then was instituted the divine sacrament of marriage, with such ties that death alone can loose them. And such is the force and virtue of this miraculous sacrament that it makes two different persons one and the same flesh; and even more than this when the virtuous are married; for though they have two souls they have but one will. And hence it follows that as the flesh of the wife is one and
