Is an emblem of a pure heart, which is always an acceptable sacrifice to the Deity; and as this glows with fervent heat, so should our hearts continually glow with gratitude to the great Beneficent Author of our existence for the manifold blessings and comforts we enjoy.
Teaches us the art of forming concords, so as to compose delightful harmony, by a mathematical and proportional arrangement of acute, grave and mixed sounds. This art by a series of experiments, is reduced to a demonstrative science, with respect to tones, and intervals of sound. It inquires into the nature of concords, discords, and enables us to find out the proportion between them by numbers.