The restless mind. For ever on pursuit 85

Of knowledge bent it starves the grosser powers.

Quite unemploy’d, against its own repose

Its turns its fatal edge, and sharper pangs

Than what the body knows embitter life.

Chiefly where Solitude, sad nurse of care, 90

To sickly musing gives the pensive mind.

There madness enters; and the dim-ey’d Fiend,

Sour Melancholy, night and day provokes

Her own eternal wound. The sun grows pale;