So let's think about the inference. You want to generate beliefs about the world. 我们先来看推断。在推断中，我们要建立对于当前情景的“信念”。 So what are beliefs? Beliefs could be: where are my arms in space? 那么什么是信念？信念可以是我的胳膊在空间

March 20, 2008 PRESIDENT BUSH: Secretary Rice and I have had the pleasure of welcoming three of our neighbors -- neighborhood's strong leaders: the Prime Ministers of the Bahamas, Barbados and Belize.

I love this story because Bill de Kooning had the humility 我非常喜欢这个故事，因为比尔·德库宁很谦逊， to recognize that the greatest thing we can do is provide the best possible foundation for those who come after us. 他认

Ronald Reagan: The Space Shuttle "Challenger" Tragedy Address "We'll continue our quest in space. There will be more shuttle flights...more volunteers, more civilians, more teachers in space." Ladies

演讲文本: Barack Obama, a young man in his mid-forties has now won the Iowa Caucuses... and he's about to speak to his supporters and get ready for the next contest in 5 days in New Hampshire where the po