If atoms all are of the selfsame matter,2 As fire, air, earth, and water,3 Then must their several figures make all change By motion’s help, which orders as they range.
In 1653 this poem is called “Change Is Made by Several-Figured Atoms and Motion.”
atoms all are of the selfsame matter,] all the Atomes of one Matter be, 1664; all the Atoms, of one Matter be,1668
earth, and water,] Water, Earth, and these agree, 1664; Water, Earth; and these agree: 1668