When Mr. Melmotte made his promise to Mr. Longestaffe and to Dolly, in the presence of Mr. Bideawhile, that he would, on the next day but one, pay to them a sum of fifty thousand pounds, thereby completing, satisfactorily as far as they were concerned, the purchase of the Pickering property, he intended to be as good as his word. 
When Mr. Melmotte made his promise to Mr. Longestaffe and Dolly to pay them fifty thousand pounds for the purchase of Pickering, he intended to be as good as his word. 