He felt nothing that could be called belief in the validity of Mordecai's impressions concerning him or in the probability of any greatly effective issue: what he felt was a profound sensibility to a cry from the depths of another and accompanying that, the summons to be receptive instead of superciliously prejudging. 
He did not believe in the validity of Mordecai's impressions concerning him: what he felt was a profound sensitivity to a cry from the depths of another, and the urge to be receptive rather than prejudge. 