Anima Astrologiae or A Guide for Astrologers by William Lilly 1676

The 27th Consideration is, Whether the Infortunes are the Significators of anything; for if they signify ill, the evil will be much augmented, and if good it will be much diminished, abated, imperfect, and with difficulty; so that the party will scarce think his business done, unless by chance they be in a very good condition and excellently disposed.

28.Whether the Significator be slow