Unwilling to accept defeat, Bell redoubled his efforts from Boston, still believing that the president’s life could be saved or, failing that, that his invention would prove to have lasting value for others. Perfecting the induction balance was a personal and scientific obligation, and he was not about to abandon it now, whatever the cost. “Heartless science,” he would write years later, “seeks truth, and truth alone, quite apart from any consequences that may arise.”