"The law itself exhibits justice and teaches wisdom by abstinence from sensible images and by calling out to the Maker and Father of the universe."

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If a man's aspirations towards a righteous life are serious.. .if he earnestly and sincerely seeks a righteous life, his first act of abstinence is from animal food, because, not to mention the excitement of the passions produced by such food, it is plainly immoral, as it requires an act contrary to moral feeling, i. e., killing - and is called forth only by greed.

— Leo Tolstoy