This mantra comes from Buddhism and it is linked to the Bodhisattva of compassion. This is probably the key mantras the Buddhist use which is chanted many periods to invoke the inner thoughts of compassion and loving. Mantras were thought to safeguard the mind from adverse views and emotions, also https://damienkifbu.blogdanica.com/32456592/the-2-minute-rule-for-10-most-powerful-mantra