The laws of supply and demand, therefore, are adjuncts to immigration regulation. I do not fear the arrival of as many immigrants a year as shipping conditions or passport requirements can handle, provided they are of good character. But there is no room for the alien who turns toward America with the avowed intention of opposing government, with a set desire to teach destruction of government— which means not only enmity toward organized society, but toward every form of religion and so basic an institution as the home.

Whose Country Is This? (1921)