The sin of Adam did not make the condemnation of all men merely possible; it was the ground of their actual condemnation. So the righteousness of Christ did not make the salvation of men merely possible, it secured the actual salvation of those for whom He wrought.
He [man] knows that when he is not what he ought to be; when he does what he ought not to do; or omits what he ought to do, he is chargeable with sin