—— 请按键盘 空白键 开始游戏 ——

The first essential component of social justice is adequate food for all mankind.
解释:向外物游览就要要求外物的完备,向自己内心求取,则能充实完善自身。
The past is a shadow that follows us everywhere.
"The interplay between mathematics and computer science is a rich source of deep and beautiful results."