应对不自由世界的唯一方法就是变得绝对自由，以至于你的存在本身就是一种反叛。

I don't want to be a teacher. I want to be a friend.

Profit without sustainability is short-term gain with long-term pain.

The true measure of success is how many times you can bounce back from failure.

The concept of NP-completeness has provided a powerful tool for understanding the complexity of computational problems.

Literature is the antidote to dogma.