If All the Pens That Ever Poets Held

If all the pens that ever poets held

Had fed the feeling of their master's thoughts,

And every sweetness that inspir'd their hearts,

Their minds, and muses on admired themes;

If all the heavenly quintessence they still

From their immortal flowers of poesy,

Wherein, as in a mirror, we perceive

The highest reaches of a human wit;

If these had made one poem's period,

And all combin'd in beauty's worthiness,

Yet should there hover in their restless heads

One thought, one grace, one wonder, at the least,

Which into words no virtue can digest.