By leaving in a conspicuous place a certain book open at a certain page: by assuming in her, when alluding explanatorily, latent knowledge: by open ridicule in her presence of some absent other’s ignorant lapse.
There are no more uses of "ridicule" in the book.
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It’s easier to ridicule her ideas than to seriously refute her findings.
In his day, he was ridiculed for saying the earth is round.