当想法消失时,一幅画就完成了。
A painting is finished when the idea has disappeared.
The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.
I would never hurt you,Jenny.
我们必须建设天生绿色的网络,而不仅仅是改造为绿色。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.