How do we know that God must intervene for salvation?

The necessity of God's intervention in salvation is a fundamental aspect of Reformed theology. Jesus explicitly states in John 6:44 that 'no man can come to me, except the Father which hath sent me draw him.' This illustrates that human efforts are insufficient for salvation. Additionally, in John 3:3, Christ articulates the necessity of being born again to see the kingdom of God. This dependence on divine initiative is echoed throughout scripture, further establishing that our faith is a gift from God, not a product of our own will or merit. Only by acknowledging this can we fully appreciate the sovereign grace of God in salvation.