Grace in Christianity
Classical and Wesleyan Arminian theology

In the beginning of the 17th century, the Dutch theologian Jacobus Arminius formulated Arminianism and departed from Calvin's theology in particular on election and predestination. Arminianism affirms the compatibility between human free will and divine foreknowledge, and its incompatibility with theological determinism. Predestination in Arminianism is based on divine foreknowledge, unlike in Calvinism. Thus, the offer of salvation through grace does not act irresistibly in a purely cause-effect, deterministic method but rather in an influence-and-response fashion that can be both freely accepted and freely denied. In Arminianism, God takes initiative in the salvation process and his grace comes to all people. This is done through prevenient grace which acts on all people to convince them of the Gospel, draw them strongly towards salvation, and enable the possibility of sincere faith. As Roger Olson put it: "' evangelical synergism reserves all the power, ability and efficacy in salvation to grace, but allows humans the God-granted ability to resist or not resist it. The only "contribution" humans make is nonresistance to grace."

Later, John Wesley also rejected the Calvinist doctrine of predestination, and had the same Arminian understanding as expressed in Wesleyan theology. It remains the standard teaching of Methodist churches. Wesley also appealed to prevenient grace, stating that God makes the initial move in salvation, but human beings are free to respond or reject God's graceful initiative. The doctrine of prevenient grace remains one of Methodism's most important doctrines.

John Wesley distinguished three kinds of divine grace in the process of salvation: 1. "Prevenient grace" which is an enabling grace preceding regeneration ("prevenient" means preceding). 2. "Justifying grace" which can bring regeneration but which is resistible. 3. "Sustaining grace" which helps a person to remain into regeneration, and to reach sanctification and final salvation. In particular Wesley taught that Christian believers are to participate in the means of grace and to continue to grow in the Christian life, assisted by God's sustaining grace.
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