在战场上行为鲁莽是致命的，在生活中行为鲁莽让你无所作为-至少无法接近最佳的成功、幸福和满足。
Being reckless on the battlefield gets you killed. Being reckless in life gets you no where - at least no where close to optimal success, happiness, and fulfillment.
别学了所有这些却什么也不做，别那么接近事实却无法到达，因为你太懒惰而无法将真理付诸于行动。
Don't learn all of this stuff and not do it. Don't be so close to the truth and yet unable to arrive because you're too lazy to put the truth into action.
或者因为没有权限，或者是为开放型程序设计的原因，如果你无法获得接近真正的用户的机会，都可以使用人物角色这个工具来协助识别用户。
If you don't have access to real users-either because you don't have permission or are designing for open application-you can use personas, a tool to help identify users.
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