The Roman History · Amm. 15.1.4

For even if he had under his power the infinities of worlds fancied by Democritus, as Alexander the Great, under the promptings of Anaxarchus, did fancy, yet either by reading, or by hearing others speak, he might have considered that (as mathematicians unanimously agree) the circumference of the whole earth, immense as it seems to us, is nevertheless not bigger than a pin's point as compared with the greatness of the universe.

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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