Consecutive sentences or verses with the same construction, so that the reader compares what changes from one to the next.
In The Red and the Black
If Julien is a fragile reed, let him break; if he is a man of character, let him manage on his own.
The two clauses, "let him break" and "let him manage on his own", follow the same construction after a conditional "if", and the reader compares what changes: the lot of the one who yields and that of the one who resists.
Book II, Chapter 3: First steps, Abbé Pirard (in thought)
Julien could no longer recognize her so well; he fired once and missed; he fired a second time, and she fell.
Book II, Chapter 35: A storm, the narrator
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