What does the Bible say about the power of God in salvation?

In 1 Corinthians 1:18, the apostle Paul states, 'For the preaching of the cross is to them that perish foolishness; but unto us which are saved it is the power of God.' This highlights the divine authority and transformative power associated with the message of the cross. Salvation is an act of God's grace, where the power of God intervenes to redeem those who are lost and spiritually dead, giving them new life through faith in Christ. Thus, it is not merely the act of believing, but the work of God's sovereign grace that brings about salvation, revealing His eternal purpose and mercy.