Mantra

(skt.: mantra; tib.: ngak) Literally mind protection. A particular combination of Sanskrit syllables recited in conjunction with the practice of a particular meditational deity that embody the qualities of that deity. Each mantra has its specific function, for example to remove fear, to develop compassion, to increase wisdom etc. One of the most famous mantras, which is used mainly to develop compassion is the mantra of Chenrezig, the Buddha of compassion: Om Mani Padme Hum