—— 请按键盘 空白键 开始游戏 ——

Now this is not the end. It is not even the beginning of the end. But it is, perhaps, the end of the beginning.
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
I write not to explain the world but to understand it.
爱是一个战场,但它是一个值得为之奋斗的战场。
创作过程是混乱的。这就是为什么我的草图看起来是这样的。
我只是想改变世界,一次一颗亮片地改变。
可持续性不是一个流行词,而是矿业前进的唯一道路。