—— 请按键盘 空白键 开始游戏 ——

The key to nudge is to make it easy for people to make better choices.
I don't fear failure. I fear not trying.
书籍是通往其他可能性的窗户。
The only limit to our realization of tomorrow is our doubts of today.
我们对宇宙了解得越多,就越意识到我们不知道的还有很多。