经济学家J.K.加尔布雷斯曾经写道：“当面对这样一个抉择，即改变自己的想法或证明没必要改变它时，几乎每个人都会忙于证明（没必要改变）。”

The economist J.K. Galbraith once wrote, "Faced with a choice between changing one's mind and proving there is no need to do so, almost everyone gets busy with the proof."

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积极思维肯定大有裨益，你需要改变自己的想法才能获得真正的幸福。

Thinking positive definitely has its place, and you'll need to change your thoughts to ever be truly happy.

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作为一个企业领导者，巴兹并不固执己见，她非常愿意改变自己的想法。

As a business leader, Bartz also is known as someone who doesn't hold grudges and is willing to change her mind.

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But there's one other complication that you've got to be warned about, which is this. Because these are dialogues and they take the form of philosophical arguments, people put forward views and then, over the course of the discussion, change their minds about things.

但是,还有一个地方,我要提醒你们,那就是,由于这些是对话作品,且它们全都采用了哲学论证的形式,即,人们先提出观点,然后,在讨论的过程中,改变自己的关于事物想法

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