Let's begin by winding the timeline back 13.7 billion years, to the beginning of time. 让我们把时间往回拨到137亿年前，也就是时间的开始。 Around us, there's nothing. There's not even time or space. 四周是什么也没有，根本没有时间与空间。 Imagin
Merry Christmas everybody! 祝大家圣诞节快乐！ Now, we're not going to take much of your time because today is about family and being together with the ones you love. 今天我们不会占用大家太多时间，因为今天是和家人、和亲爱的人相聚的日子。 And
I was born in Korea -- the land of kimchi; raised in Argentina, 我在泡菜之国--韩国出生；在阿根廷长大， where I ate so much steak that I'm probably 80 percent cow by now; 可能因为吃太多牛排，我觉得现在我80%的成分是牛； and I was educated in
The best scientific exploration sounded like a fairytale. 当时最好的科学理论就像是童话故事。 My second grade teacher Mrs. McGonigle read it to us. 我的二年级老师麦戈尼格尔女士告诉我们。 The dinosaurs had small brains. They were stupid.
As we age, our time horizons grow shorter and our goals change. 当我们逐渐变老，跟人生终点的距离不断缩短，我们的人生目标从而改变。 When we recognize that we don't have all the time in the world, we see our priorities most clearly. 当我
