—— 请按键盘 空白键 开始游戏 ——

To understand behavior, we must look at its purpose in the context of survival and adaptation.
The best way to predict the future is to create it.
Fearless is not the absence of fear. It’s not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things that scare you to death.
The art of teaching is the art of assisting discovery.
The only way to do great work is to love what you do.