Buddhas teaching has many categories. Is all very beneficial. Why? Because in Buddhas Omniscience he knew all of the beings various faculties. This is why there are so many teachings. However all of them can be classified in the system of the 9 yanas that exists in the Nyingma Lineage. The three baskets of teachings are the Vinaya, emphasizing renunciation and teaches us to see samsara as a harmful fire and helps us develop the need for liberation from samasara, renunciation. Because of this emphasis it is known as the vehicle of self-liberation, Vinaya. Sutra teachings is Mahayana. This is View. We recognize that all beings in truth have been our father and mother, because of this recognition, we realize that to seek only liberation for myself would be of no use because all my mothers and fathers would still be caught in unending suffering. In Mahayana the motivation is to do something to help them.

Without reliance on each of the three vehicles –
The vows of individual liberation, of the Bodhisattvas, and of the Mantras–
To cut that old tree of the three poisons
That stands in the middle of the plain of samsara,
How could there be means to transform beings of different mental dispositions?
Therefore, be earnest in suppressing the root, the [...]

by Kyabjé Jigdrèl Yeshé Dorje, Düd’jom Rinpoche Tibetan Text
Português
Om Swasti:
With supreme appreciation and deep respect for Padmasambhava – wisdom manifestation of all Buddhas and union of the Buddha families – I shall relate the history of tobacco. Approximately a hundred years after Buddha Shakyamuni’s parinirvana, a Chinese demon, maddened with obsession, spoke these dying words: 
“Through my body I wish to lead the beings of this earth to lower realms. Bury my body intact and eventually a plant, different from all others, will grow out of my remains. Merely by smelling it, people will experience pleasure in body and mind, far more joyful than the union of male and female. It will spread far and wide until most of the beings on this earth will enjoy it.”