After that they took his right hand, placed it on something, and told him to hold a pair of compasses to his left breast with the other hand and to repeat after someone who read aloud an oath of fidelity to the laws of the Order.
The course of the Father Confessor’s arguments ran as follows: "Ignorant of the import of what you were undertaking, you made a vow of conjugal fidelity to a man who on his part, by entering the married state without faith in the religious significance of marriage, committed an act of sacrilege.
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