The most important things are the hardest to say.

The true teacher defends his pupils against his own personal influence. He inspires self-trust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

"A good picture book is like a good joke - it needs perfect timing."

"The key to good research is not just the method, but the clarity of the question and the quality of the data."

在理论计算机科学的领域里，我们常常发现最深刻的见解来自于最简单的想法。

In business, adaptability is just as important as strategy.