Quotes from Lama Zopa Rinpoche

What is the mind? It is a phenomenon that is not body, not substantial, has no form, no shape, no color, but, like a mirror, can clearly reflect objects

Kadampa Geshe Chengawa mentioned, A disciple who practices correct devotion to the virtuous friend, even if he is as foolish as a dog or a pig, will have no difficulty in becoming like Manjushri.

They had such unbelievably fixed minds, fixed ideas—strong, unchangeable beliefs that there was just this one life; no understanding that the mind can exist without the body. Their thinking was unbelievably gross. People like this needed something external to break their concepts and enable them to see things more deeply.

This means that when the guru appears, he purposely shows us this mistaken, ordinary aspect in order to guide us and all other transmigratory beings to enlightenment. The conclusion is that without the guru guiding us in this ordinary aspect, we would be without a guide, totally lost in samsara. We would be like a baby left out in a hot desert with no food or water, surrounded by dangerous animals.

Without ever having met the Dharma, the Buddha's legacy to the world, and without having developed a good heart, everything we do can only be the cause of the lower realms. Our education is solely for this purpose. We go to kindergarten, primary school, high school and then college and university just to create the causes of the lower realms. I don't think I have ever put it this way before.