How do we know that Jesus is the fountain opened for sin?

The identification of Jesus as the fountain opened for sin is rooted in the prophetic scriptures, particularly in Zechariah 13:1, which speaks of a fountain for sin and uncleanness. This idea is reinforced throughout the Bible, showing that God's plan for salvation was established before the foundation of the world, with Jesus as the Lamb slain for His people. Furthermore, 1 Corinthians 10:4 reveals that Christ was the rock that provided living water to His people in the wilderness, signifying that He is the true source of spiritual sustenance. By faith, Christians recognize that through His atoning sacrifice, all sin is atoned for, and this fountain continues to cleanse believers from all unrighteousness, affirming Jesus' unique role in salvation history.