Sentence:  ... if ever love had any cause to revenge the wrongs which are done unto him, it is against them they ought to <WSD>let drive</WSD> all the arrows of his justice, and make them exemplary unto all such as abuse the name of Lovers. 
Meaning of the word marked with <WSD> tags:  To aim a blow; to strike with force; to attack; to shoot (an arrow or firearm).