精品无码久久久久久国产_成人午夜在线视频一区_亚洲最大的av网站_亚洲欧美综合区自拍另类_91精品国产一区_日韩精品中文在线观看_一道本无吗dⅴd在线播放一区_国产精品旅馆在线_欧美午夜久久久_亚洲自拍在线观看_黑人精品xxx一区一二区_亚洲精品日韩久久久_在线视频一区二区_国产欧美久久一区二区_中文字幕精品在线视频_成人欧美在线观看

By the help of microscopes, there is nothing so small as to escape our inquiry; hence there is a new visible world discovered to the understanding.

真相往往是看不見的，因?yàn)樗黠@了。

A word after a word after a word is power.

比喻天地如同熔爐，造化是工匠，陰陽(yáng)是炭火，萬(wàn)物是被鍛造的銅器。