After the musical party at Lady Mallinger's, when Grandcourt had observed the dialogue on the settee as keenly as Hans had done, it was characteristic of him that he named Deronda for invitation along with the Mallingers, tenaciously avoiding the possible suggestion to anybody concerned that Deronda's presence or absence could be of the least importance to him; and he made no direct observation to Gwendolen on her behavior that evening, lest the expression of his disgust should be a little too strong to satisfy his own pride. 
After the musical party at Lady Mallinger's, when Grandcourt had observed the dialogue on the settee, he invited Deronda along with the Mallingers, to make it clear that Deronda's presence or absence was not of the least importance to him; and he said nothing to Gwendolen on her behaviour that evening, lest his expression of disgust should be a little too strong to satisfy his own pride. 