Closest as in “closest to her heart,” or something clutched, or something unvarnished, artless, some plain truth?
Relevant backstory is condensed into a few lines of artless dialogue.
It was spoken as if by a condemned man: largely devoid of emotion, implausible, halting, artless, and sad.
But Desnoyers was not there to confirm his mother's artless opinions.
Why are minor poets so artless, and why do they fancy they are so wicked?
In tragedy she was remarkable for her artless sensibility and exquisite variety of expression.
To be circumvented by cunning must ever be the fate, but never the disgrace, of the artless.'
Within twenty-four hours all the town was talking of her bewitching face, her artless manner, her sweet voice.
What stabs children inflict on us sometimes by their artless words!
So that these artless little self-revelations are very sweet and precious to me among all the lay figures, tragedy and comedy.