Whether you're training for your tenth marathon or your first 5K, you're going to have moments when you doubt yourself.

无论你是在为你的第十次马拉松长跑还是第一次5000米跑训练，你都将会经历这样一段时期：自我怀疑。

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When you doubt yourself, you open a window. When you're uncertain you create a possibility in your mind that previously, did not exist.

当你对自己不太确信的时候，你就会在头脑里创造出了一种以前不曾存在过的可能性。

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If you can trust yourself when all men doubt you.

如果你能够信任自己，当所有人都在质疑你的时候。

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But don't expect the American people to buy into your faux anger when your opponent is questioning how you would have acted when you yourself have provided the words that lead to that legitimate doubt.

CNN: GOP's 'faux anger' is all the rage