“I was sorry to have my name mentioned as one of the great authors, because they have a sad habit of dying off. Chaucer is dead, Spencer is dead, so is Milton, so is Shakespeare, and I’m not feeling so well myself.”

Source: The Red Pyramid

Source: The Curious Incident of the Dog in the Night-Time

"Visite" in Discours du Grand Sommeil (1920); later published in Collected Works Vol. 4 (1947)

Source: The Kitchen God's Wife

Suetonius represents this as Nero's exclamation when he had resolved to kill himself, but not as his last words.
Source: The Twelve Caesars, Nero, Ch. 49

The Paris Review interview (2010)
Context: Every so often, late at night, I come downstairs, open one of my books, read a paragraph and say, My God. I sit there and cry because I feel that I’m not responsible for any of this. It’s from God. And I’m so grateful, so, so grateful. The best description of my career as a writer is “at play in the fields of the Lord.” It’s been wonderful fun and I’ll be damned where any of it came from. I’ve been fortunate. Very fortunate.

Treasure Box (1996)

Source: By the River Piedra I Sat Down and Wept