[...] It is heavenly to think that I shall see you on Thursday! Surely it won't be too much for you to come as far as Baden-Baden? [...] I can spend the whole of Friday there and need not set out for Paris till Saturday. That is the plan I am driven to. One chief motive of my expedition is to wait on the Princess of Prussia, as Seebach assured me that it was really her recent very urgent intercession which I have to thank for at last bringing the King of Saxony to his senses. Seebach recommended me to write to her, whereupon I decided forthwith that it would be preferable to present myself to her in person, as I should like [...] to find out whether I may hope for any future help from this lady in producing my new works. The fact that I shall have to consider this question more closely now, is another reason for wanting very much to have a talk with you. [...]
Source: Letters of Richard Wagner, Vol. 2, selected and ed. Wilhelm Altmann, trans. M. M. Bozman (J. M. Dent & Sons, 1927), No. 474