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

"Love is not a victory march, it's a cold and it's a broken hallelujah."

Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

科學無法解決自然的最終奧秘。這是因為，最終我們自己也是自然的一部分，因此也是我們試圖解決的奧秘的一部分。

It is remarkable how much long-term advantage people like us have gotten by trying to be consistently not stupid, instead of trying to be intelligent.

晏子春秋