Before I can call upon Christ as my Savior, I have to understand that I need a savior. I have to understand that I am a sinner. I have to have some understanding of what sin is.I have to understand that God exists. I have to understand that I am estranged from that God, and that I am exposed to that God's judgment. I don't reach out for a savior unless I am first convinced that I need a savior. All of that is pre-evangelism. It is involved in the data or the information that a person has to process with his mind before he can either respond to it in faith or reject it in unbelief.
R. C. SproulWhen God's justice falls, we are offended because we think God owes perpetual mercy. We must not take His grace for granted. We must never lose our capacity to be amazed by grace
R. C. Sproul