Anima Astrologiae or A Guide for Astrologers by William Lilly 1676

The 42nd is, If a Fortune be Significator, or give virtue or assistance to any of the Planets, and be in a house where he has none of the Lordly Dignities, then his good signification will be lessened and abated; and so on the contrary.

43.If Fortunes and Infortunes be in Malignant Places