Ebenezer Erskine, Works, 1:527-528:
You would know, that the gospel, strictly taken, is a word of promise. The first gospel that ever was preached to our first parents, when a dismal cloud of wrath was hanging over their heads in Paradise after the fall, was in a promise, Gen. iii. 15: “The seed of the woman shall bruise the head of the serpent.” The gospel preached to Abraham, what was it but a promise of Christ? “In thy seed shall all the nations of the earth be blessed,” Gal. iii. 8. And I think it observable, that the same thing which the apostle calls the gospel, ver. 8, he calls the promise, and the covenant, ver. 17—19. So that the gospel, strictly taken, is a word of promise: so Heb. iv. 1, 2, compared, — what the apostle calls “a promise of entering into God’s rest” in the 1st verse, he calls the gospel in the 2nd verse. And a God of love and grace dispenses his grace in a promise, for our encouragement to take hold of it in a way of believing; for there is nothing in which the faithfulness of God is so much engaged as in a promise, the very design of which is to be believed.
Source: https://www.puritanboard.com/threads/why-does-limited-atonement-matter.87650/page-3, Comment 73
Robert Traill (The Throne of Grace), Works 1:192-193:
We commonly value most that growth in grace that hath fair blossoms and fruit, appearing to our comfort, and to the Lord’s praise before others. And it is indeed desirable, and to be studied, Matt. 5:16; John 15:8. But there is a growth that may be carried on in the root only, in the rooting grace of a Christian: as in clearer discoveries of indwelling sin in the heart, and in more self-diffidence and self-distrust. Paul had this fruit, 2 Cor. 1:8, 9. It is a sad thing, that many Christians are so fond of themselves, of the good that is in them, that the Lord seeth that nothing is so fit to cure them of this, as leaving them to themselves. And when this leaving of them to themselves hath brought them to a discovery of themselves, and that discovery hath wrought a distrust of themselves, and that distrust hath taught them faith in God; then the Lord hath reached his end on them, and will change his way with them.
Source: https://www.puritanboard.com/threads/the-rooting-grace-of-a-christian.90973/, Comment 1