Child! Child! Tears have just been streaming from me while composing —: Kurwenal:
"Auf eig'ner Weid' und Wonne
im Schein der alten Sonne,
darin von Tod und Wunden —
du selig sollst gesunden." —
That will be very harrowing — especially as it makes no impression at all upon Tristan, but passes o'er him like a hollow sound.
There's immense tragedy in it! Overwhelming!
Source: Richard Wagner to Mathilde Wesendonck, trans. William Ashton Ellis (Charles Scribner's Sons, 1905), No. 71