—— 请按键盘 空白键 开始游戏 ——

The galactic center is a unique natural experiment in strong gravity.
真正的数学家始终是学生,永远在学习。
You can't go back and change the beginning, but you can start where you are and change the ending.
心理学的任务是解释心灵如何服务于生活。
一个好故事应该让你又哭又笑,最后吐出来。