Who said "Solitude is misery for those who cannot be alone."?

This quote is attributed to Joseph Heller.

Solitude is misery for those who cannot be alone. - Joseph Heller

"Solitude is misery for those who cannot be alone."

Joseph Heller Solitude

Novelist American 1923–1999

"Some men are born mediocre, some men achieve mediocrity, and some men have mediocrity thrust upon them."

"Just because you're paranoid doesn't mean they aren't after you."

"The only things that matter are the things that matter."

"I want to keep my dreams, even bad ones, because without them, I might have nothing."

"Sometimes being the best means being the loneliest."

"Solitude gives us time to reflect on what matters"

"I'm not good with people, never have been."

"I feel like I'm disappearing."