Faith and the Mortification of Sin

“The doctrine of justification by free grace cannot be rightly preached, except the doctrine of mortification and destroying of sin be jointly preached with it; for, the same faith which layeth hold on Christ for righteousness, doth rest upon him also for grace and strength to subdue corruption and sin. Acts xv. 9 ; and if he be not employed for the latter, he will not bestow the former : thus sin and corruption were those things which Paul destroyed, in so far as he did hold forth the most solid and ready way how to get them destroyed, while he taught the doctrine of justification.”

James Ferguson,  (1621–1667),