FORE:"Yesterday crowds of believers prayed for peace, for that blessing which is only valued when it is lost. Let us repeat our supplications twofold, let us increase our zeal. Lord! O Lord! listen to the voice of Thy people who pray to Thee! Be merciful! Give us back our peace!"Here, in reference to teaching science, and by an authority which should command our highest confidence, we have a clear exposition of the conditions which surround mechanical training, with, however, this difference, that in the latter "demonstration" has its greatest importance.