Chap.,  §

 1   1,    2|      statement of the question. The key position, as regards the
 2   1,    3|           The Question of Work, the Key to the Social Question ~
 3   1,    3|           fact that human work is a key, probably the essential
 4   1,    3|              probably the essential key, to the whole social question,
 5   1,    3|         life more human"8, then the key, namely human work, acquires
 6   3,   15|             social morality. It has key importance both in the system
 7   4,   17|            the human person are the key element in the whole of
 8   4,   19| deontological and moral aspect. The key problem of social ethics
 9   4,   19|            one and, in a sense, the key means. ~This means of checking
10   5,   26|             Gentiles obviously have key importance for the morality