Citation - New York Journal-New York: 1773.06.17

NYJ-N.773.111
17 Jun 1773:41 (1589)
Keep well thy heart--the task is hard,
'Tis dangerous to be off thy guard. 
Virtue, as hard up hill she went,
Grew faint; her very soul was spent:
So down she sat, awhile to rest,
And lower'd her shield beneath her breast.
. . . [14 more lines]