Yes, other cultures made valuable contributions such as the Arabic-Hindu number system and some advances in mathematics and engineering such as those used in building pyramids not only in Egypt but in South America, the South Sea Islands, and elsewhere. But these non-Christians “. . . did not discover the laws of . . . gravity . . . thermodynamics . . . chemistry . . . heredity . . . biogenesis, etc. If you take any introductory undergraduate textbook in physics, chemistry, biology, genetics, physiology, paleontology, etc., it is not hard to point to the knowledge that is indebted to the work of these [European scientists who were staunch Christians]. But you would find very little that is indebted to Greek, Muslim, Hindu, or Buddhist philosophers. . . . Instead of measuring energy in joules, why don’t we measure it in platos or al-Asharis?”