It is hard to deny that trying a variety of professions or starting on a completely new career path can be a reinvigorating experience and such a fact leads impressionable people to generate the opinion that we should frequently switch jobs to find which are suitable for us. However, such a statement suffers from both logical and factual fallacies, and it should be examined meticulously. As far as efficiency, feasibility, and expertise are concerned, I strongly hold that we ought to have clear career planning in advance.