—— 请按键盘 空白键 开始游戏 ——

饥饿了就想吃饭,寒冷了就想温暖,疲劳了就想休息,爱好利益而厌恶祸害,这是人生下来就具有的本性。
You have to spend some energy and effort to see the beauty of math.
And that's a lot of the reason why we care so much about our careers and indeed start caring so much about material goods. You know, we're often told that we live in very materialistic times, that we're all greedy people. I don't think we are particularly materialistic. I think we live in a society which has simply pegged certain emotional rewards to the acquisition of material goods. It's not the material goods we want;