Sentence:  ... we are to take a second surview of our Abilities, to see if they be competently fit for that whereto our Inclination swayeth us; and if upon due <WSD>unpartial</WSD> examination we find they are, we may then follow the sway of our Inclination. 
Meaning of the word marked with <WSD> tags:  Impartial, unbiased. (from 16th c.)