All nature is but art unknown to thee.

Behold the child, by Nature's kindly law pleased with a rattle, tickled with a straw.

Oft, as in airy rings they skim the heath, The clamtrous lapwings feel the leaden death; Oft, as the mounting larks their notes prepare They fall, and leave their little lives in air.

The lot of man - to suffer and to die.

I begin where most people end, with a full conviction of the emptiness of all sorts of ambition, and the unsatisfactory nature of all human pleasures.

Know then thyself, presume not God to scan; The proper study of mankind is man.

The Physician, by the study and inspection of urine and ordure, approves himself in the science; and in like sort should our author accustom and exercise his imagination upon the dregs of nature.