How do we know confession is important for salvation?

Confession is a critical aspect of the process of salvation because it reveals what a person truly believes about Jesus Christ. Romans 10:9 illustrates that to be saved, one must confess Jesus as Lord and believe in the resurrection of Christ. This act of confession signifies a heart transformation and an acknowledgment of dependence on Christ for righteousness. Moreover, in 1 John 1:9, we see that confessing our sins is linked with receiving forgiveness, showing the necessity of openly admitting our sinfulness in relation to God's holiness for continued fellowship with Him. Thus, confession is a vital expression of faith that leads to salvation.