Life, the most important is to live a comfortable, quiet, contemplative life, if just a few decades to reach such a realm, it shall not live in vain.

人生在世，最重要的是过一种舒适、宁静、沉思的生活，如果短短的几十年能够达到这样的境界，那就不虚此生。

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"It is my greatest hope that his death will not be in vain and that through this research his legacy will live on and others won't have to suffer in this manner, " Tregg Duerson said.

CNN: Tests reveal former NFL player suffered from brain disease