One who believes in the Son has eternal life, but one who disobeys{The same word can be translated "disobeys" or "disbelieves" in this context.} the Son won't see life, but the wrath of God remains on him."

 (a) It gives us peace with God. We are no longer cringing before a tyrannical king or seeking to hide from an austere judge. We are at home with our Father. 