Astus wrote:Huseng,
I don't see how the presented interpretation of buddha-nature as only a capacity and a skilful teaching against icchantika views takes into account that tathagatagarbha is said to be inherently complete with the buddha qualities and such and from that view came all the teachings about the possibility of sudden realisation of buddhahood.
There are multiple lines of thought within what is called tathāgatagarbha. The aforementioned treatise does not speak of what you suggest, though other texts certainly might.

