The only limit is the one you set yourself.

记忆是个奇怪的东西，它不像我想的那样运作。记忆根本不是一件简单的事。

Innovation is not just about technology; it's about how we think and solve problems.

根本不稳固必然会央及枝叶。行为不守信必然会损害声誉。

We are not asked to be successful, only to be faithful.

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 a finite problem.