Well, we might as well post the whole poem in all its childish, slut-shaming glory:
By All Love's Soft, Yet Mighty Powers.
By all love's soft, yet mighty powers,
It is a thing unfit,
That men should fuck in time of flowers,
Or when the smock's beshit.
Fair nasty nymph, be clean and kind,
And all my joys restore;
By using paper still behind,
And sponges for before.
My spotless flames can ne'er decay,
If after every close,
My smoking prick escape the fray,
Without a bloody nose.
If thou would have me true, be wise,
And take to cleanly sinning,
None but fresh lovers' pricks can rise,
At Phyllis in foul linen.