Understanding the fundamental particles and forces of nature is key to unlocking the mysteries of the universe.

The world is a graveyard, and we are its ghosts.

To love is to risk, but it is a risk worth taking.

出自汉·桓宽《盐铁论·刺义》。品德高尚的人不拒绝听取负薪之人的意见，其名声才能远播。所以见多识广的人知识广博，多听多闻的人拥有智慧，拒绝别人劝说的人心胸狭隘，一味相信自己的人必然孤立。

天也有喜怒哀乐的情感，与人类的情感是相通的。