Can a person do anything to bring about his own salvation?
No. Salvation is prompted by the power of God, not by anything man can do. Justification is a judicial act of God, freely given by His grace, apart from any cost or human effort. God declares the believing sinner righteous as if he had never sinned. Man cannot bring about his own salvation.
Les explains that justification is a judicial act of God, pictured as a courtroom scene where God sits as judge. The believing sinner is declared just as if he had never sinned. This justification is freely by God's grace, without cost or penny involved. Salvation is prompted by the power of God, and nothing man can do contributes to it. It rolls together with forgiveness: God can justify because He forgives, and He can forgive because He justifies.
Being justified freely by his grace through the redemption that is in Christ Jesus: