数学是一门活生生的学科，不断演变和发展。

每个数学问题都有一个解决方案；有时只是需要时间去找到它。

The past is a different country, they do things differently there.

The challenge in quantum computing is not just to build a quantum computer, but to understand what it can do.

我从不担心行动的危险，我更担心不行动的危险。