How to read Feng Shui without a compass?

Feng Shui attaches great importance to two things: form, which can be observed externally with the eyes; Qi, which can be measured internally with a compass. Since ancient times, Feng Shui schools have been wandering between these two because Qi and shape are the two. The same, so no matter which Feng Shui master pays attention to, there will be no mistakes. Therefore, there is no compass to see Feng Shui, but it is difficult to see the shape of Feng Shui than to see the style. It is more abstract.