—— 请按键盘 空白键 开始游戏 ——

Program testing can be used to show the presence of bugs, but never to show their absence!
Privacy is not a luxury; it's a necessity in the age of connected devices.
"The world is full of obvious things which nobody by any chance ever observes."
人们变得文明,不在于他们愿意相信的程度,而在于他们愿意怀疑的程度。
白日做梦的人,能够感知许多只在夜里做梦的人所无法察觉的事物。
解释:比喻能很快地接受别人良好的建议。