尼尔·德格拉斯·泰森– Now, Not Later

Astrophysicist 尼尔·德格拉斯·泰森speaks about the fuel of his life, the urgency of accomplishment.

转录:

“我担心过我可能会过的生活’我完成了某件事,没有’t. That’是我的恐惧。这是我的知识’我会死,这会带来我带来的关注to being alive. The urgency of accomplishment, the need to express 现在,不迟。”