When a young man has throughly comprehended the fact that he knows nothing and that he is valueless, the next thing for him to learn is that the world cares nothing for him and that he must take care of himself.

구문분석을 할 때 앞의 the fact that he knows nothing and that he is valueless 절의 답이 동격절로 표기되는데 제가 보기에는 형용사절이 아닌가 싶습니다.