[Doitsu]

Originally Posted by AlexBell

I think I have three options so far: to include the Greek couplet as an image, to replace the Greek text with the English translation, or to leave the book for someone else to do.

You've missed the most obvious option suggested by Tex2002ans: simply keep the Greek original text.

<span title="Greek: deinón tò tíktein estin" class="greek" lang="grc" xml:lang="grc">δεινόν τὸ τίκτειν ἐστἰν</span>

BTW, Faded Page has etexts of both volumes with pictures and embedded page numbers.

Scenes of Clerical Life, Vol. I
Scenes of Clerical Life, Vol. II