This nineteenth practice does not need much commentary. It especially concerns our relationship with other people. Presenting ourselves to others as a trustworthy friend and then letting them down is being fickle. And being fickle is incompatible with the aspiration of entering into the Bodhisattva
's way of life.
Excerpted from: The Seven-Point Mind Training(first published as A Passage from Solitude : Training the Mind in a Life Embracing the World), by B. Alan Wallace. Copyright 1992 by Snow Lion Publications, Ithaca, New York 14851.
This site provides an on-line database of commentaries on the Tibetan Buddhist meditation practices of lojong (Mind Training) and tonglen.