—— 请按键盘 空白键 开始游戏 ——

教育的真正价值不仅在于事实的积累,而在于训练思维进行批判性和创造性的思考。
The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.
除非我能看到明确的50%收益路径,否则我从不购买任何东西。
"I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating."