The Changeless Nature, Buddha Nature, Page 70, No. 157-160, (Buddhism, Words of Arya Maitreya, Author: Acarya Asanga)
"Just as the disease needs to be diagnosed, its cause eliminated, a healthy state achieved and the remedy implemented, so also should suffering, its causes, its cessation and the path be known, removed, attained and undertaken."
The Changeless Nature, Buddha Activity, Page 134, No. 331, (Buddhism, Words of Arya Maitreya, Author: Acarya Asanga)