Read the passage from How to Live Twenty-Four Hours a Day. "What? I am to cultivate my mind in the street, on the platform, in the train, and in the crowded street again?” Precisely. Nothing simpler! Which phrase most helps the reader conclude that the author’s purpose is to persuade?

“Nothing simpler!” is an emphatic reassurance that makes the proposed activity sound easy and achievable. This persuasive wording encourages readers to accept the author’s suggestion that they can cultivate their minds even during ordinary daily routines. The other phrases mainly describe the activity or its settings.

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