Anima Astrologiae or A Guide for Astrologers by William Lilly 1676

The 95th is Whether the Planets signifying the thing sought, join mutually with each other; for that signifies it will be done; yet, be not too confident to judge so, till thou hast well weighed the nature of the sign wherein they are joined, whether it be of their own nature; for then it will be easy, otherwise difficulty; or scarce at all.

96.Whether the Significator and Moon be in Angles