These questions make a subtle argument

To such as think both Sense and Reason one:

To whom, nor Agent, from the Instrument;

Nor Power of Working, from the Work is known

But they that know that Wit can show no skill,

But when she things in Sense's glass doth view;

Do know, if accident this glass do spill,

It nothing sees! or sees the false for true.

For if that region of the tender brain,

Wherein th'inward sense of Phantasy should sit,