The cultivation of barley in ancient Egypt is indicated in Exod.
There is no sign in the Homeric poems of the subordination of medicine to religion which is seen in ancient Egypt and India, nor are priests charged, as they were in those countries, with medical functions - all circumstances which throw grave doubts on the commonly received opinion that medicine derived its origin in all countries from religious observances.
To the b000 years to which ancient civilization dates back must be added a vast period during which the knowledge, arts and institutions of such a civilization as that of ancient Egypt attained the high level evidenced by the earliest records.
Page Renouf, in his Hibbert lectures, Origin and Growth of Religion as illustrated by that of Ancient Egypt (1879), p. 89 foll., pointed out this monotheistic tendency in Egyptian religion, as did de Rouge before him.
On a much larger and more magnificent scale, and on a much more permanent basis, the society of ancient Egypt somewhat resembled that of ancient Mexico.