These four elements are eternally brought into union, and eternally parted from each other, by two divine beings or powers, love and hatred - an attractive and a repulsive force which the ordinary eye can see working amongst men, but which really pervade the whole world.

scattered throughout the Shahnama the didactic element is plainly visible, and equally plain in it are the traces of that mystical tendency which was soon to pervade almost all the literary productions of Persian genius.

These vary in quality with the civilization of the races in which they are current, but the same ideas which we proceed to state pervade all cosmogonical myths, savage and civilized.

Distinctive touches pervade each ship, such as the Flemish clock in the Rotterdam's atrium and baroque pipe organ aboard the Zaandam.

pervade the universe.