Courage is a learned mental skill that you must condition, just as weight training strengthens your muscles.

勇气是种必须通过训化才能学会的思维技巧，就像通过负重训练来强化个人肌肉一样。

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Courage is a learned mental skill that you must condition, just as weight training strengthens your muscles.

勇气是种必须通过训化才能学会的思维技巧，就像通过负重训练来强化个人肌肉一样。

youdao