Why does God heal some and not others? This question has stimulated much heart-searching and discussion. The views people hold today are not new. Each has a pedigree that stretches back over centuries. Few have brought such clarity in thinking to the issue as Henry Frost. His book, published first in 1931, is still widely-quoted, and continues to be regarded as authoritative. Amongst several examples of healing is that of Hudson Taylor, while in China.