260 THE MEANING OF EVOLUTION 
and he will be steadied whether he will or not, until 
his own will reforms itself and gains the mastery. 
Inasmuch as all that is in man comes from his 
environment or from his heredity, the only way in 
which the race of men can be advanced is by improv- 
ing their environment or by bettering their heredity. 
The first of these is the province of the sociologist; 
the second that of the eugenist. The sociologist has 
for some time been giving his careful attention to 
the improvement of the environment. In every large 
city, a man must build for himself a house fit to live 
in, if he build it at all. Whether he erects it for 
himself or for another makes no difference. Society 
will no longer allow him to build a home which is a 
detriment to the one who lives in it. Not only must 
he make himself a decent home but he must keep it 
in decent condition. The community will not allow 
him to endanger his own health, or that of his neigh- 
bor, by an insufficient method of attending to his 
garbage, or by a lack of ordinary cleanliness. If 
he will not clean his premises himself, the law sees 
to it that they are cleaned for him. Already we 
are beginning to understand that no man has a right 
to employ another man or woman or child at wages 
which are not sufficient to maintain the one thus em- 
ployed. The wages of many people are exceedingly 
meager, notably those of women and children. He 
