—— 请按键盘 空白键 开始游戏 ——

I don’t let the past define me, I let it refine me.
"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."
宇宙是一本用数学语言写成的书,而物理学是解读其页面的钥匙。