Hi everybody. Wednesday is Earth Day, a day to appreciate and protect this precious planet we call home. And today, there's no greater threat to our planet than climate change. 2014 was the planet's w

August 8, 2007 12:44 P.M. EDT THE PRESIDENT: Good afternoon, Mr. Secretary. Thank you for your hospitality. We're pleased to be here at the Treasury Department. This morning I spoke with Governor Hunt

So if you want to change the world start singing when you're up to your neck in mud 如果你想改变世界 请下次在泥潭浸过颈部时 开始唱歌 Finally, in SEAL training there is a bell 最后 海豹训练有一个铜铃 A brass bell that hangs in the

每天读一点英文 之那些激励我前行的英语演讲 31 Courage 勇气Mark Twain 马克·吐温In the matter of courage we all have our limits. There never was a hero who did not have his bounds. 勇气气达到极限的时候。我就多次发现自己的勇气到了极限。 I suppose it

Or here's a video that I made as part of my show "Crash Course," talking about World War I: 还有这个视频，是我的节目《速成班》中的一期，讲的是第一次世界大战： The immediate cause was of course the assassination in Sarajevo of the Aus