This mantra comes from Buddhism and is also connected to the Bodhisattva of compassion. This is one of the primary mantras which the Buddhist use and is chanted several periods to invoke the thoughts of compassion and loving. ‘Om’ represents the incomprehensible and unmanifested / Nirguna element of the supreme; https://juliustyshu.blogolenta.com/29432963/facts-about-10-most-powerful-mantra-revealed