To live is to suffer, to survive is to find some meaning in the suffering.
The center of our galaxy is a fascinating place where extreme physics takes place, and it's a privilege to study it.
最痛苦的存在状态是记住未来，尤其是你永远不会拥有的未来。
Always cut away from yourself.
Business is about solving problems, not just making money.
The poor are not lazy; they are just caught in a system that makes it very hard for them to escape poverty.
The only interesting answers are those that destroy the questions.
The best time to plant a tree was 20 years ago. The second best time is now.