Anima Astrologiae or A Guide for Astrologers by William Lilly 1676

The 10th Consideration, Is warily to observe what Fixed Stars may either help or hinder the matter in question; for they have oftentimes great power, and lead the Astrologer sometimes into error; and let the Artist be sure to consider the places of the Fixed Stars, as they are in the present age carefully reduced.

11.To consider the Infortunes, what they signify