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.

Our scientific power has outrun our spiritual power.We have guided missiles and misguided men.

如果你没有偶尔失败，说明你不够努力。

倾听材料本身具有的声音，才是创作的起点。