社会主义的目标是共产主义。
The challenge is to make the invisible visible.
When we understand knowledge-based systems, it will be as before -- except our fingertips will have been singed.
【大意】干枯的竹子能生火,但不去钻它就不会燃烧;地下藏有泉源,但不去挖掘就流不出泉水来。