这段话是茅以升对自己一生的总结，强调奋斗是人生的重要桥梁。

The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

永远不要停止学习，因为生活永远不会停止教导。

"The boundary between the quantum and classical worlds is not as clear as we once thought."

Everything changes except the law of change.

我不是政治家，我是艺术家。我只是试图说出真相。