In his treatise, "Upon What Warrants a Sinner May Adventure to Rest and Rely Upon Christ for Salvation," George Gillespie articulates several foundational principles to guide sinners toward confident faith in Christ:

1. Christ's Atonement is Sufficient for All: Gillespie emphasizes that the death of Christ is sufficient to atone for the sins of all humanity, providing a universal ground for any sinner to trust in Him.

2. The Gospel Invitation is Universal: He asserts that the call to believe in Christ is extended to all individuals without exception, inviting every sinner to come to Him for salvation.

3. God's Promises are Unfailing: Gillespie highlights that God's promises of mercy and forgiveness through Christ are steadfast and reliable, offering a sure foundation for faith.

4. Faith is a Divine Gift: He teaches that while the call to believe is universal, the ability to respond in faith is granted by God, underscoring the necessity of divine grace in salvation.

5. Christ's Willingness to Save: Gillespie portrays Christ as earnestly desiring the salvation of sinners, assuring individuals of His readiness to receive all who come to Him.

6. The Necessity of Personal Application: He encourages sinners to personally appropriate the promises of the Gospel, moving beyond general assent to a heartfelt trust in Christ for their own salvation.

7. The Role of the Holy Spirit: Gillespie acknowledges the Holy Spirit's work in illuminating the mind, convicting of sin, and drawing sinners to Christ, emphasizing dependence on the Spirit's operation in the heart.

8. The Assurance of Salvation: He affirms that those who genuinely trust in Christ can have full assurance of their salvation, resting on the unchangeable promises of God and the finished work of Christ.

These principles collectively provide a robust framework for sinners to find encouragement and confidence in coming to Christ for salvation.

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Read the full treatise here