To inquire into what God has made is the main function of the imagination. It is aroused by facts, is nourished by facts; seeks for higher and yet higher laws in those facts; but refuses to regard science as the sole interpreter of nature, or the laws of science as the only region of discovery.

MacDonald grew up in the Congregational Church with an atmosphere of Calvinism. He took his degree at the University of Aberdeen and then went to London studying at Highbury College for the Congregational ministry. His father a farmer was one of the MacDonalds of Glen Coe and a direct descendant of one of the families that suffered in the massacre of 1692.

He is now known particularly for his poignant fairy tales and fantasy works and their influence on later authors such as W. K. S.