It is true that before they were well in their rooms, he had seen how difficult it was to shape such an arrangement with any probability, being too cool-headed to find it at once easily credible that Gwendolen had not only while in London hastened to inform Deronda of the yachting project, but had posted a letter to him from Marseilles or Barcelona, advising him to travel to Genoa in time for the chance of meeting her there, or of receiving a letter from her telling of some other destination--all which must have implied a miraculous foreknowledge in her, and in Deronda a bird-like facility in flying about and perching idly. 
It is true that he quickly saw how difficult it would have been to make such an arrangement, being too cool-headed to believe that Gwendolen had posted a letter to Deronda from Marseilles or Barcelona, advising him to travel to Genoa on the chance of meeting her there - which must have implied a miraculous foreknowledge in her, and in Deronda a bird-like facility in flying about.
