大脑是一个复杂的系统，我们才刚刚开始理解它是如何工作的。
The world doesn’t need more cute things. It needs more truth.
Purity of heart is to will one thing.
Your brain is like a muscle; the more you use it, the stronger it gets.
The safety of our workers must always come first, no matter the cost.
Having less is more; contentment leads to happiness.