Life is so short. The apostle James described it as "a vapor that appears for a little time and then vanishes away" (James 4:13-14). The question is, where is our destination and how soon will we arrive? We are all on this trip called life, and we didn't even buy a ticket. By taking a look at the trains of thought that are traveling through our minds and dominating our behavior, we can gain a sense of where we are headed. In this...