You cannot step into the same river twice.
你不能两次踏入同一条河流。
"The world is always going to be dangerous, and people are always going to be good and bad."
Our greatest asset isn't beneath the ground, but the people who work above it.
科学不仅仅是发现,更是解决现实世界的问题。
If you don't take risks, you'll always work for someone who does.