Who said "The most unbearable pain is the pain of loneliness."?

This quote is attributed to Mikhail Lermontov.

The most unbearable pain is the pain of loneliness. - Mikhail Lermontov

"The most unbearable pain is the pain of loneliness."

Mikhail Lermontov Solitude

Poet Novelist Russian 1814–1841

"A man in love is incomplete until he is married. Then he is finished."

"The soul wants to wander in green fields."

"I love the music of human words."

"Believe nothing that you hear and half of what you see."

"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."