How near one Species to the next is join'd, The due Gradations please a thinking Mind; and there are Creatures which no eye can see, That for a Moment live and breathe like me: Whom a small Fly in bulk as far exceeds, As yon tall Cedar does the waving Reeds: These we can reach—and may we not suppose There still are…
Look round the world, contemplate the whole and every part of it: you will find it to be nothing but one great machine, subdivided into an infinite number of lesser machines, which again admit of subdivisions to a degree beyond what human senses and faculties can trace and explain. All these various machines, and even…