Mantra of Compassion is Tibetan Om Mani Padme Hum

Om mani padme hum is mantra of compassion. Mantra compassion doesn't change base rate frequency; so it does not negate necessity to practice insight meditation

Mantra is a sacred utterance, which can be a word or phrase. For instance it is believed by practitioners, to have psychological and spiritual powers. Many people believe that mantra meditation; helps to induce an altered state of consciousness. Mantras may or may not have literal meanings. They are typically melodic; mathematically structured meters with numinous qualities.

Insight Meditation is a dissolving process; which promotes or invokes the increased flow of energy from the Oversoul. It is an awareness focused to a point meditation technique. Which is the only way; to bring the full power of the Oversoul. Into your brain consciousness or being on the earth plane; in order to fully dissolve the resistance of ego. Learning the meditation technique is simple and easy. However the discipline of practice requires a little more effort.