Vocabulary Challenge: Quam ingratus es tu

Here is the vocabulary challenge for May 28:

hic, haec, hoc (huius) - modus (modi) - gens (gentis, f.) - quam (adv.) - reddo (reddere)

When I saw this list of words, I immediately thought of the fable about the ungrateful snake - here's a version from the Via Latina Reader:

Agricola anguem reperit, frigore paene exstinctum. Misericordia motus, eum fovit sinu et subter alas recondidit. Mox anguis recreatus vires recepit, et agricolae, pro beneficio, letale vulnus inflixit.

So, I thought I would write a moral for the story using today's words:

Moriens, agricola exclamat: O anguis, quam ingratus es tu; sero intelligo omnem gentem tuam gratias huius modi nobis hominibus reddere!

Here's an illustration from Joseph Jacobs' edition of the fables:

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If you came up with something good for today's Vocabulary Challenge, share the results in a comment here at the blog! Meanwhile, here are my past answers to the Vocabulary Challenge each day. :-)