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。

Every song has its own life.

If you believe that every life has equal value, it's revolting to learn that some lives are seen as worth saving and others are not. We said to ourselves: "This can't be true. But if it is true, it deserves to be the priority of our giving."

Always plan for the worst and hope for the best.

The true joy of mathematics lies in the act of discovery, not just the result.