Lama Zopa Rinpoche discusses buddha nature in this teaching excerpted from Kopan Course No. 40.

A teaching on buddha nature and the emptiness of the mind.

In this excerpt from Kopan Course No. 27, Rinpoche explains how the hallucinatory mind sees everything as inherently existent

A Dharma talk explaining the mind, or cognition

A teaching on the mind, the death process and the ultimate nature of the I

The omniscient mind is the continuity of consciousness that is completely purified of all obscurations.