The Engraftment

In a bone marrow transplant, physicians do something that sounds terrifying. They deliberately destroy the patient's entire immune system with high-dose chemotherapy. Every white blood cell, every familiar defense the body has built over a lifetime, is wiped out. Then donor stem cells are infused through a simple IV line, and the waiting begins.

Doctors call it the engraftment period. For two to four weeks, the patient sits in a sterile isolation room with essentially no immune system at all. A common cold could be fatal. There is nothing the patient can do to speed the process. The donor's cells must find their way into the bone marrow, take root, and begin producing new blood on their own schedule. The patient can only wait and trust.

Dr. Frederick Appelbaum, who spent decades pioneering transplant medicine at the Fred Hutchinson Cancer Research Center, once noted that the hardest part for patients was not the chemotherapy. It was the waiting, the utter dependence on something they could not control.

Faith works the same way. There come seasons when God strips away every defense we have built for ourselves, every self-sufficiency we have relied on, and asks us to sit in the quiet room of surrender. We want to hurry the process. We want to do something. But the Almighty whispers, "Be still, and know that I am God."

Trust is not passive. It is the bravest thing a soul can do when everything familiar has been taken away and the new life has not yet appeared.