—— 请按键盘 空白键 开始游戏 ——

事实上,自然科学长期以来只是大脑和想象力的产物:现在是时候回归到对物质和显而易见事物的朴素而健全的观察上了。
My work is like a diary. It records my feelings and thoughts.
Sustainability isn't an option—it's a responsibility we owe to future generations.
逝者不会停留在你安置他们的地方。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.