Chapter 25Gods, Goddesses and Semi-Divine Beings · Ganesh
Book 5. Part Two: The Opening of the Inner Senses · Section Three: Symbols
It is according to the need or else the condition of the consciousness that these figures [of the Gods] appear in sadhana. Ganesh is at once the god of wisdom and the remover of obstacles.
* edge — so as you are getting this knowledge, you saw yourself in this form, identified with Ganesh.