The Roman History · Amm. 22.16.21

It was in learning derived from Egypt that Pythagoras was educated, which taught him to worship the gods in secret, to establish the principle that in whatever he said or ordered his authority was final, to exhibit his golden thigh at Olympia, and to be continually seen in conversation with an eagle.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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