—— 请按键盘 空白键 开始游戏 ——

数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
Every action has its pleasures and its price.
《盐铁论·轻重》茂密的树林下面没有旺盛的青草;在没有平整的地里,长不出好的禾苗。比喻在强大的势力下,弱者会受到压制和侵害。
领导力在于创造一个愿景,然后赋予他人实现它的能力。
"The writer's job is to tell the truth, even when it is inconvenient."
The pursuit of knowledge is a journey without end, but every step forward is a victory.
每个孩子都应该在他们读的故事中看到自己。