—— 请按键盘 空白键 开始游戏 ——

The most important thing in mathematics is to understand the concepts, not just to memorize the formulas.
The hardest part of returning to a truly wild environment is leaving behind the mechanical distractions of modern life.
你无法取悦所有人,所以别尝试。
"Die Kunst des Schreibens besteht darin, die Welt so zu beschreiben, wie sie ist, und gleichzeitig so, wie sie sein könnte."
I have always believed that the way to make money is to buy when everyone else is selling and to sell when everyone else is buying.
真正的可持续性意味着为子孙后代留下比我们发现时更好的土地。