"Hei pupuri te aho o te wānanga
Hei kawe i ngā kura huna a Rua."
To perpetuate the hidden schools of Rua.
Embodied in this whakataukī is the notion that learning is of considerable value. There is an implication of secrecy being reposed in Rua" Harrison, P.
It is believed that the term 'Rua' is descriptive of aspects of knowledge. Many obscure references are found in the ancient waiata, karakia and orations. An obvious examples is in whakapapa. This reverberates as part of literary tradition and conceptual language developed to hold specific types of knowledge at certain level of perception. Pākāriki Harrison, and others, is of the belief that the Rua Schools and their priests upheld an elitist and secretive tiered system of education which was only available to certain sectors of the community. This was also tied into various art forms including the language.
Carving, in the view of Pākāriki is the supreme artistic achievement of the Māori people. It holds a whole range of emotions and feelings of love and joy, hate, challenges, and reverence. A student would normally be born into this area of study, but it would usually be up to the Tohunga when, and at what level, he would commence his teaching. To be a student of whakairo they would go through the necessary draughting process, as only a certain type of student would have the proper credentials to enter this area of study. It may be that the process started at birth or at an age that would suit the Tohunga. Based on observation and kōrero ki ōku korua that everyone in the whānau, hapū and iwi had some knowledge of whakairo.