An English missionary named Roland Allen once told about an older missionary who came up and introduced himself to him one day after he had delivered a sermon.

The older man said that he had been a medical missionary for many years in India. He served in a region where there was an environmental condition that was causing progressive blindness in many of the people of that region. People were born with healthy vision, but there was something that caused people to lose their sight as they grew older.

As time went on this medical missionary developed a treatment which would stop this progressive blindness. So people came to him and he performed his treatment and people were no longer going blind. Because of him their sight had been saved.

The old missionary noted that they never said, “Th…