Te Ao Roropi o Rongoā Māori - The World of Māori Medicine.
Ora New Zealand, Donna Kerridge, Pa Ropata Rob McGowan.

The whenua, Papatuanuku, is the source of all life. She is the Mother. Ka ora te whenua, ka ora te tangata.

Caring for the whenua is the first priority. Everything else must be measured against this.