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

General relativity has passed every test we’ve thrown at it, even near a supermassive black hole.

The most ordinary lives can hold extraordinary stories.

The best way to predict the future is to invent it.

生命的意義在于我們如何賦予它意義。