唯一能让你富有的是你的思想。
我需要的是春天的蒲公英。那明亮的黄色意味着重生而不是毁灭。生命可以继续的承诺,无论我们的损失有多糟糕。它可以再次变得美好。
We begin with the hypothesis that any subject can be taught effectively in some intellectually honest form to any child at any stage of development.
煤炭仍将是能源结构的一部分,但其角色必须为更清洁的未来重新定义。
我不是建设者,我是破坏者。
A good algorithm is like a sharp knife—it does exactly what it is supposed to do with a minimum of applied effort.