Authors:

I am always sad, I think. Perhaps this signifies that I am not sad at all, because sadness is something lower than your normal disposition, and I am always the same thing. Perhaps I am the only person in the world, then, who never becomes sad. Perhaps I am lucky.

Jonathan Safran Foer (2013). “Everything Is Illuminated”, p.227, Houghton Mifflin Harcourt
I am always sad, I think. Perhaps this signifies that I am not sad at all, because sadness is something lower than your normal disposition, and I am always the same thing. Perhaps I am the only person in the world,