If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
The computer is the ultimate polluter: its feces are indistinguish- able from the food it produces.
世界是一本书,不旅行的人只读了一页。
Every material has its own intelligence.
"The lifeblood of any business is innovation."