the good society will come to nothing.] And as these depend on spreading the opportunities and advantages of education in various parts of the country, and among the different orders of the people [that is, everyone], it shall be the duty [not something they might consider, but the duty] of legislatures and magistrates in all future periods of this commonwealth to cherish the interests and literature and the sciences, and all seminaries of them . . . public schools, and grammar schools in the towns.