The center of our galaxy is a fascinating place where extreme physics takes place, and it's a privilege to study it.
我们银河系的中心是一个极端物理学发生的迷人地方，能研究它是我的荣幸。
The world is full of beauty and ugliness, and it's up to us to choose which one we want to see.
The most important political development of the modern era is the rise of the modern state.
多样性和包容性不仅仅是理想；它们是商业的必要条件。
The deep, personal material of the latter half of your life is your children. You can write about your parents when they're gone, but your children are still going to be here, and you're going to want them to come and visit you in the nursing home.
如果你对每隻向你吠的狗，都停下来扔石头，你永远到不了目的地。
The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
The difference between ordinary and extraordinary is that little extra.