Now nothing can prevent this but mortification; that withers the root and strikes at the head of sin every hour, so that whatever it aims at it is crossed in.

There is no true gospel fruit without faith and repentance.

Let our hearts admit, “I am poor and weak. Satan is too subtle, too cunning, too powerful; he watches constantly for advantages over my soul. The world presses in upon me with all sorts of pressures, pleas, and pretences. My own corruption is violent, tumultuous, enticing, and entangling. As it conceives sin, it wars within me and against me. Occasions and opportunities for temptation are innumerable. No wonder I do not know how deeply involved I have been with sin. Therefore, on God alone will I rely for my keeping. I will continually look to Him.

The gospel shall be victorious. This is the third thing that greatly comforts and refreshes me, — that if God should give me the honour, the strength, and grace to die in this cause, my cause shall be victorious, as sure as if I had the crown in my hand.

Not to be daily mortifying sin, is to sin against the goodness, kindness, wisdom, grace, and love of God, who hath furnished us with a principle of doing it.

Sin aims always at the utmost; every time it rises up to tempt or entice, if it has its own way it will go out to the utmost sin in that kind. Every unclean thought or glance would be adultery if it could, every thought of unbelief would be atheism if allowed to develop. Every rise of lust, if it has its way reaches the height of villainy; it is like the grave that is never satisfied. The deceitfulness of sin is seen in that it is modest in its first proposals but when it prevails it hardens men’s hearts, and brings them to ruin.

Free will is "corrupted nature's deformed darling, the Pallas or beloved self-conception of darkened minds"