Minel! Minel! I have got my leave! I really must say I have once again been very pleased with Lüttichau, particularly too with his whole manner of behaving to me. [...]
Well, my pet, I am coming! But I cannot come before Monday or Tuesday next week! Firstly I have to conduct yesterday's opera once more, secondly I have an invitation from Lüttichau for Sunday, and lastly I shall not have finished scribbling Rienzi till then. [...]
Source: Letters of Richard Wagner, Vol. 1, selected and ed. Wilhelm Altmann, trans. M. M. Bozman (J. M. Dent & Sons, 1927), No. 95