Who said "I am a man of passion, not principle"?

This quote is attributed to Dmitri Karamazov.

I am a man of passion, not principle - Dmitri Karamazov

"I am a man of passion, not principle"

Dmitri Karamazov Truth

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"

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."