Letter 131

Synesius of CyrenePylaemenes|c. 406 AD|synesius cyrene
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To Pylaemenes.

Know that the definitions of geometry are infallibly true. Other branches of knowledge are proud when they can borrow even a little from geometry for their demonstrations. Now, there is a principle that two things equal to the same thing are equal to each other. I am bound to you by our shared education, and to the remarkable Diogenes by temperament. Both of you are friends of the same man — me. So you must be united to each other, just as you are each united to the middle term.

I attach you to one another through this letter. The celebrated Diogenes will give himself to your friendship, and will receive in return my own Pylaemenes. In calling you "my own," I say nothing either of us should be ashamed of.

In a few words, here is Diogenes's situation. He is a loyal young man, noble, both gentle and brave — exactly the kind of man Plato would have wanted as a guardian in his republic. He saw military service while still a youth. When he grew older, he was given command of the troops in our region, and in exposing himself to danger he earned the envy of the spectators — for that is how citizens treat success. But he rose above it.

In short, he conquered his city's enemies by arms and its malicious men by virtue.

Modern English rendering for readability. See the 19th-century translation or original Latin/Greek for scholarly use.

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