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

好奇心是每一次重大科學突破背后的驅動力。

"You can't control everything, but you can control how you react to things."

The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.

教育如果不深入靈魂，就不會生根。

Problem solving is a search through a space of possible solutions.

每一顆種子都有改變世界的潛力。

"Life is tough, my darling, but so are you."