translation.en: And his life was a systematic experiment to find better social answers, not from a theory, but from experiment, and experiment involving the people with the best intelligence on social needs, which were usually the people living with those needs.
translation.zh: 他的一生就是一个寻找更好社会答案的系统实验 不是从一个理论中寻找，而是从实验中寻找，这些实验是涉及到对 社会需求最有智慧的人的实验， 这些人通常是有那些有那样需求的人。