... Alcott's abstract statements, but his personal judgments, made an absolutely unique impression upon his more famous fellow townsman. It is interesting to notice that Alcott, while staying first in Concord , complained of lack of simplicity in A--, B--, C--, and D--(late visitors from the city). Emerson said approvingly to his son : Alcott is right touchstone to test them, litmus to detect the acid. ...