There has to be a felt reality that emptiness protects the mind. There has to be a felt reality that identity is illusory. There has to be a felt reality that the needs of other beings are more important than personal needs. Mind Training must have become so much a part of the practitioner, and the purpose of Mind Training so present, that it is recognised as the only valuable purpose in life.
Battlecry of Freedom by Ngakma Nor’dzin, Aro Books worldwide, 2019, ISBN 978-1-898185-46-8 Part II - the slogans, p. 210/211