—— 请按键盘 空白键 开始游戏 ——

A man who knows why he lives can endure any kind of life.
The best mathematics is not just logical—it is intuitive and beautiful.
The most dangerous thing is to become complacent with past success.
I have held many things in my hands, and I have lost them all; but whatever I have placed in God's hands, that I still possess.
"Every book is a conversation between the author and the reader."