1. Attend to the city with the child's eye, pay attention to this world, the put on of pertinacity become the human life field dirty. �˳��Ժ��ӵ��ۣ���ע��������磬ִ�ֵ�Ĩȥ������������ǡ�
2. Again and again. with the inexorable pertinacity of a child intent upon some object important to itself, did he renew his efforts(Nathaniel Hawthorne. һ����һ�Ρ�ƾ����ͯ��ijЩ������Ҫ��Ŀ�������еIJ������ӵ���ǿ�������¿�ʼ��Ŭ���������������˹¡��
3. "Again and again . . . with the inexorable pertinacity of a child intent upon some object important to itself, did he renew his efforts" (Nathaniel Hawthorne). ��һ����һ�Ρ�ƾ�ź�ͯ��ijЩ������Ҫ��Ŀ�������еIJ������ӵ���ǿ�������¿�ʼ��Ŭ�����������������˹¡��