Who said "A man can get used to anything, even to happiness"?

This quote is attributed to Dmitri Karamazov.

A man can get used to anything, even to happiness - Dmitri Karamazov

"A man can get used to anything, even to happiness"

Dmitri Karamazov Happiness

Character in The Brothers Karamazov

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"A genuine paraphrase of Dmitri's thoughts on passion and moral struggle"

"I am not mad; I am only unhappy"

"Beauty is mysterious as well as terrible. God and the devil are fighting there, and the battlefield is the heart of man"

"I could not bear the sufferings of children"

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."