—— 请按键盘 空白键 开始游戏 ——

尽管鸟的翅膀是完美的,但如果没有空气的支撑,它永远无法将鸟托起。事实是科学的空气。没有它们,科学工作者永远无法腾飞。
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
The free, exploring mind of the individual human is the most valuable thing in the world.
La realidad no es siempre probable, o verosímil.