英国诗人、批评家洛威尔. J . R。

James Russell Lowell, British Poet and critic.

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灾难就像刀子，握住刀柄就可以为我们服务，拿住刀刃则会割破手。（美国女诗人、批评家洛威尔）

Mishaps are like knives that either serve us or cut us as we grasp them by the hanDle or blade. (James Russell Lowell, american poetess and critic)

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灾难就像刀子，握住刀柄就可以为我们服务，拿住刀刃则会割破手。——美国女诗人、批评家洛威尔j R。

Mishaps are like knives that either serve us or cut us as we grasp them by the handle or blade. — James Russell Lowell, American poetess and critic.

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To test this, the psychologist Harlow performed a series of ingenious experiments with nonhuman primates wire mothers distinguishing between what he called "wire mothers" And you'll see illustrations of this to follow.

为了验证，心理学家哈洛,用非人类灵长类做了一系列独创性试验,区别“,下面你可以看到实验描述。

耶鲁公开课 - 心理学导论课程节选