William Lilly 
Anima astrologiae 
A Guide for Astrologers

Amongst those things that appertain to giving judgment in questions of Astrology, there are six to be considered: – 1st -Nations, and their particular kinds. 2nd Families, and the constitutions and ordinations of Families and Houses. 3rd – Rich and potent persons, Dispositions and affairs. 4th – Regard is to be had to the Individuals of human kind. 5th Elections or times proper for the beginning of any Work or Enterprise. 6th -Questions as well universal as particular, pertinent and fit to be demanded.