" What we do not pay for in some way, unfortunately we tend not to regard in its true worth.” She smiled to soften the words a little. Jemima frowned. “Do you not think sometimes we value a thing merely because we have paid for it?” she asked. “And perhaps paid too much? And so we cling to it, and go on paying? "

― Anne Perry , Callander Square (Charlotte & Thomas Pitt, #2)