"As there is no worldly gain without some loss, so there is no worldly loss without some gain; if thou hast lost thy wealth, thou hast lost some trouble with it; if thou art degraded from thy honor, thou art likewise freed from the stroke of envy; if sickness hath blurred thy beauty, it hath delivered thee from pride. Set the allowance against the loss, and thou shalt find no loss great; he loses little or nothing, that reserves himself."

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Few human creatures would consent to be changed into any of the lower animals for a promise of the fullest allowance of a beast's pleasures; no intelligent human being would consent to be a fool, no instructed person would be an ignoramus, no person of feeling and conscience would be selfish and base, even though they should be persuaded that the fool, the dunce, or the rascal is better satisfied with his lot than they are with theirs.

— John Stuart Mill