This secular method of investigation saps the spiritual life, and is responsible for the decline in modern Protestantism. Mr. Harris continues: “Religious education, it is obvious in giving the highest results of thought and life to the young, must cling to the form of authority, and not attempt to borrow the methods of mathematics, science, and history from the secular school. Such borrowing will result only in giving the young people an overweening confidence in the finality of their own immature judgments. They will become conceited and shallow-minded.... Against this danger of sapping or undermining all authority in religion by the introduction of the methods of the secular school which lay stress on the self-activity of the child, the Sunday-school has not been sufficiently protected in the more recent years of its history.” If the adoption of secular methods of teaching in the Sunday-school, where children are instructed one day only in the week, has so weakened Protestantism, what must be the result when children are daily taught in the public schools by methods which tend always to exalt human reason above faith. It is little wonder that five days’ instruction can not be counteracted by the very best Sabbath instruction even in those schools which have not adopted secular methods in teaching the Bible. Protestants should learn from this that in starting Christian schools the methods followed in the secular schools can not be adopted. Here is the stumbling-block over which many are apt to fall. Religious instruction demands methods of teaching which will develop faith. [Sidenote: Religion in schools of Comenius]