The teaching of the Buddha has two aspects:
The elements of scripture and realization.
These are maintained only through teaching
And through practice.
![](https://justdharma.org/wp-content/uploads/vasubandhu-1-200x200.jpg)
Vasubandhu
Abhidharmakośa VIII, 39
translated by Adam Pearcey
source: http://www.lotsawahouse.org/tibetan-masters/dudjom-rinpoche/mirror