Lisa Marino has a personal fitness coach who gives her daily advice and encouragement. But she's never seen him. As a participant in a program called "Life Practice," Lisa begins each day by sending a report of her diet, exercise, sleep, and stress to a Web site. Later, she receives an e-mail response from her coach. She says that the daily reporting helps keep her honest and focused on her fitness goals.

As Christians, we know the marvelous yet mysterious experience of having the Holy Spirit as our companion and guide—even though we can't see Him.

Jesus promised His disciples that when He left this earth He would send Someone else to be with them. "If I do not go away, the Helper will not come to you; but if I depart, I will send Him to you" (John 16:7).

The word translated "Helper" or "Comforter" means "called to one's side or aid." Bible scholar W. E. Vine says that it signifies Someone who can be to us what Christ was to His disciples.

Though He's invisible to our eyes, the Holy Spirit is with us every day, just as Jesus walked with His disciples on earth. He keeps us honest, focused, and encouraged so that we too can glorify Christ.  — David C. McCasland