No wisdom on earth could have given me the comfort that I should have derived from their simplicity and fidelity; but I could never, never, undo what I had done.
On this first occasion of his producing it, I recalled how he had made me swear fidelity in the churchyard long ago, and how he had described himself last night as always swearing to his resolutions in his solitude.
There are no more uses of "fidelity" in the book.
Show samples from other sources
But it was only decent, and now I was a cheater, and I couldn’t ruin my record of fidelity on something merely average.
Gillian Flynn -- Gone Girl
That opening is scientifically and mathematically positioned by a factory-trained technician to enhance the TT AB-700’s true high-fidelity sound!"
Christopher Paul Curtis -- The Watsons Go to Birmingham—1963