世界不是游乐场，而是思想和利益的战场。

The only way to do great work is to love what you do.

The way to make progress is to acknowledge ignorance.

I think that the most important thing is to be true to yourself and to be honest with yourself.

孔子说：“君子要言谈简洁，要行动敏捷。”

"The power of words can change the world, one reader at a time."

To define is to limit.

我们必须承认自己的错误并从中吸取教训。