[...] You might very soon send me just a keg of '34. I am still in debt to the chorus here for a promised glass of wine ever since my opera was produced and I cannot afford any. That is to say, I ask you only if it doesn't put you to too great expense and inconvenience. [...]
P.S. Both this and your promised visit here must be soon, because I may shortly be in prison and would not then be able to offer you much company. Therefore soon—do you understand?!
Source: Letters of Richard Wagner, Vol. 1, selected and ed. Wilhelm Altmann, trans. M. M. Bozman (J. M. Dent & Sons, 1927), No. 34