A la recherche du temps perdu

"I thank you with all my heart (do not come) I shall write to you tomorrow. This evening my head aches too much. I have gone into certain rooms which through chance I had not revisited, and I have explored unknown areas of my grief, which spreads ever more widely as I go further into it."
—  Marcel Proust, from a letter to La Comtesse de Noailles, undated 1905 (source)