過去并未死去，它甚至還未過去。
The past is not dead; it is not even past.
The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.
"Failure is a part of the scientific process, and it's important to learn from it and move forward."
失敗是科學過程的一部分，重要的是從中學習并繼續(xù)前進。
游覽過五岳之后，其他的山就沒什么可看的了；而游覽過黃山之后，連五岳也沒什么可看的了