The thesis of this book is that the person you are today will determine the rewards you will receive tomorrow. Those who are pleasing to Christ will be generously rewarded; those who are not pleasing to Him will receive negative consequences and a lesser reward. In other words, your life here will impact your life there forever. If the knowledge that we will give an account to Christ “for [the] deeds [done] in the body, … whether good or bad” (2 Corinthians 5:10 NASB) does not motivate us to faithful