The following is an excerpt from a teaching by His Holiness Penor Rinpoche called “Guru Yoga” – reprinted here with permission from Palyul Ling International
Regardless of the particular level of teaching or practice that we are discussing in the Buddhist tradition, whether it be Hinayana, Mahayana or Vajrayana, the process of spiritual development is one of the student relying upon a teacher. We may call that teacher a lama, a guru, or whatever, but the essential point is that there is an oral transmission that takes place in which a teacher teaches the student: the student listens to the teachings, absorbs their meaning and puts them into practice.
There is a reason for this emphasis on an oral transmission. From the time of the Buddha up to the present day, the buddha dharma has always been transmitted and meant to be transmitted orally, ensuring that there is a living tradition that is still embued with the blessing and power of the original teachings. It also guards against the possibility of so-called teachers simply coming up with their own ideas. Instead, the teacher passes on a proven tradition of teachings.
This makes the buddha dharma different from other kinds of learning where it may be possible for people to innovate. In such realms of learning it may be appropriate to come up with new systems of thought or to introduce new ideas. But when we are talking about the buddha dharma, every teaching must connect with the original teachings of the Buddha in order for a teaching to be valid. The teachings cannot be something that someone is simply coming up with on their own. The teachings are something that the teacher passes on.
Similarly, in other types of human knowledge it may be permissible to present information in a manner as entertaining and pleasing as possible. But although it is important for dharma teachings to be presented in a manner which is pleasant to hear, it is most important that the transmitted teachings have the power to bless and influence those who hear them in a positive way – not only in this lifetime, but in future lifetimes as well. So even though the teaching of the dharma should be elegant and well-presented, what is most important is the blessing of the essential message.