—— 请按键盘 空白键 开始游戏 ——

Strong minds discuss ideas,average minds discuss events,weak minds discuss people.
一有私念,就会迷惑昏庸;一耍脾气,处事就会偏颇无理性。
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
The state is the most important institution in human society, and its strength or weakness is the key determinant of a society's success or failure.