This is a fun one. Chiasmus occurs when parallel phrases/clauses are syntactically or semantically inverted. It can be as simple as reversing parts of speech (such as the order of a verb and its adverb), or it can set up statements with poetic symmetry. Probably better explained by showing than telling.
- I hate that the slog exists, and what it does I despise.
- I wish that the slog would suddenly disappear and die horribly.
- From a muse you get inspiration; you only get inhibition from the slog.
- The slog is stupid like a rock, but like a boulder it can crush you.
Chiasmus. Use it.
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