Those topics certainly are of the utmost importance for a man to go from being God's enemy (Jam. 4:4), to being one of His children. But what about after one is saved? What does the believer need to do to "remain saved?" First of all, if you have genuinely trusted in Jesus Christ as your personal Lord and Savior, you WILL remain saved! You didn't earn it, and God is not one to renege on His promises (Rom. 4:21; Phil. 1:6; 2:13; 4:30; Titus 1:2; Heb. 10:23; 1 Jn. 2:25).
Okay, so now that we are confident we are saved, what are we to do? After all, even though we were not saved by works, God did save us with the intent that we would do good works (Rom. 13:3; Eph. 2:10; 1 Tim. 6:118; Titus 2:7; 3:8, 14; Heb. 10:24; 1 Pet. 2:12). For one, we are to tell others (Mt. 28:19-20; Rom. 10:8-17)! For another, we are to study God's Word so that we know what pleases Him (1 Thes. 4:11; 2 Tim. 2:15). It pleases God when we avoid doing things, when we are not absolutely sure that they are His will for us to do (Rom. 14:23). It also pleases God when we do those things we know are His will for us to do (Jam. 4:17). In other words, we are to live our lives by a faith that is based upon His Word (Rom. 1:17; Gal. 3:11; Heb. 10:38).
Some have complained that I use too many references; that I should print out the text of the Scriptures, but I do not for three reasons: space, I want you to verify what I have written (Acts 17:11), and to show that there are several passages which teach what I am saying. Isolated texts can easily be taken out of context (1 Cor. 2:13; 2 Pet. 1:20).
If you want to live for God, find out what He wants from His child!