唯一真实的是当下这一刻。

The past is not dead, it is not even past.

创新不仅仅是技术的问题；它关乎人们以及他们如何利用技术创造价值。

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.