Gwynne lays out an extravagant, pseudo-logical “proof”. Step one. For genuine thinking we need words. By ‘genuine thinking’ I mean: as opposed to merely being – as animals are capable of being – conscious of feeling hungry, tired, angry, and so on, and wanting to do something about it. Thinking cannot be done without words. Step two. If we do not use words rightly, we shall not think rightly. Step three. If we do not think rightly, we cannot reliably decide rightly, because good decisions depend on accurate thinking. Step four. If we do not decide rightly, we shall make a mess of our lives,
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