色多多在线观看播放-色多多在线观看高清免费-色多多在线观看视频-色多多在线看-欧美aaaaa性bbbbb小妇-欧美aaaav免费大片

大自然為我們提供了研究生物學(xué)的驚人工具；我們只需要知道去哪里尋找。

The writer is the enemy of all dictatorships, whether of the left or of the right.

As to the gods, I have no means of knowing either that they exist or that they do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.

Technology itself is neither good nor evil, the key lies in the people who use it.

計(jì)算的目的是洞察，而不是數(shù)字。