The expression "You can never have too much of a good thing" is consistent with the law of diminishing marginal utility.

Question

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The law of diminishing marginal utility states that as a person consumes more of a good, the additional satisfaction (utility) gained from consuming an additional unit of that good decreases. This contradicts the expression "You can never have too much of a good thing," which implies that more of a good thing always increases satisfaction without limit.

The Expression "You Can Never Have Too Much of a Good