译文：过去的时间逝去了不可追回，今天的日子也会在转瞬之间过去。赏析：已经过去的就让它过去，不必再追悔。我们要活在当下，珍惜每一天。与其用泪水悔恨昨天，不如用汗水拼搏今天。

"The beauty of science lies in its ability to reveal the unknown."

I am not young enough to know everything.

The best decisions are often the ones that go against conventional wisdom.

释义：从天下的角度看，应遵循天下的公理，天下不是某一姓的私有财产。

Art is the only revolutionary force.

Safety production is a red line that must never be relaxed at any time.