He thought that in her eyes he would ascend to an angelical stature; and, as he attached the fervent nature of his companion more and more closely to him, he heard the strange impersonal voice which he recognised as his own, insisting on the soul’s incurable loneliness.
There are no more uses of "impersonal" in the book.
Show samples from other sources
Reverend Moorehead, instead of asking an impersonal blessing, seized the opportunity to advise the Lord of Jem’s and her misdeeds.
Harper Lee -- Go Set a Watchman
No one saves an e-mail, because it’s so inherently impersonal.