Astrology from scratch

So even when we take crayon in hand and make our first scratch on the clean, white, empty canvas, what do we know before that? Of course, we need some instructions. Like how to hold the crayons and what effect it can make. So the essential things are instructions, some guidelines how to cope with this vast knowledge, how to learn all this combination and understand and grasp the stories and even after we learn all this, after getting some feeling of all of this we are still like surgeon that holds his tool in hand and has to make his first cut, with no experience at all, just theory and a lot of hours of observing his more experienced colleagues how they made their operations. It is the matter of life and death, both in example of the surgeon as in case of astrology. The first one can kill by mistake of the tools, making wrong cut, the astrologer can kill by his words, giving someone unintentionally lie that there is some happiness waiting for us, or some disaster is lurking...