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

The best solutions often come from listening—to nature, to science, and to the people on the ground.

Intelligence is not the ability to store information, but to know how to use it.

Never underestimate the power of a simple idea.

在網球中，就像在生活中一樣，你必須不斷前進——一次一分。

I'm not afraid of aging. I think it's a privilege to grow old.

The hardest challenges often lead to the greatest breakthroughs.

你圍繞真相建立生活，然后真相改變了。