—— 请按键盘 空白键 开始游戏 ——

The brain is still forming in our 20s, which means it's more open to change.
You must change nothing in your writing without absolute necessity. If it is necessary, then change with simplicity.
The study of Galois representations is a testament to the power of algebraic methods.
"La imaginación es el arma más poderosa que tenemos."