
Many pious legends abound about this androgynous figure, so much known about Him/Her yet so little of that are 'Buddhist' in perspective. Here's some Tripitaka canonical references on Him, known to Mahayanist/Vajrayanist Buddhists also as "Samyak Vidya Dharma Tathagata" (Right(True/Proper) Brightness/Knowledge of Dharma Thus Come One) who has now manifested as the 'Observer of the World's Sounds Bodhisattva' (Avalokitesvara Bodhisattva) in all of the six realms of Existence as a bridge and for their benefit towards the Buddha Dharma.
From the Lotus Sutra:
Old translation:
http://reluctant-messenger.com/lotus_sutra_24.htmModern translation:
http://www2.fodian.net/old/English/0262_25.htmlHis Causes and Conditions
http://www.e-sangha.com/alphone/dabei_sutra.htmThe Six Syllable Great Bright Mantra (Om Mani Padme Hum)
http://www2.fodian.net/old/English/1050.htmlHis causes, conditions and as future Sukhavati's Teaching Host:
http://www.sutrasmantras.info/sutra07.htmlHis Method in the Shurangama Sutra:
http://www.e-sangha.com/alphone/shurang ... okitesvaraVisualizing Him:
http://www.cloudwater.org/visualization ... okitesvaraMaha Cundi: (one of His many Esoteric teaching forms)
http://www.e-sangha.com/alphone/cundi.htmlThe Heart Sutra
Full Text:
http://www.shambhala.org/teachers/pema/shtk.php Shorter Text:
http://www.drba.org/dharma/heartsutra.asp(Would appreciate if anyone can add here from the Avatamsaka Sutra on His Causes and Conditions, haven't had time yet to read that great volumnious Sutra)
Addendum:
His Name Chants:(in Mandarin)
http://www.immmusic.com/product/eng/1008.htm(First preview: Namo Guan Shi Yin Pu Sa / Second Preview: Namo Da Bei Guan Shi Yin Pu Sa)
http://www.youtube.com/watch?v=DLF-pqLYlcIhttp://www.youtube.com/watch?v=vIa-CVT1 ... re=relatedhttp://www.youtube.com/watch?v=_ALeZIxE ... re=relatedhttp://www.youtube.com/watch?v=_ALeZIxE ... re=relatedhttp://www.amitabha-gallery.org/chants2.htmhttp://www.cttbusa.org/recitation/gwanyinchant.mp3His Images:
http://www.fodian.net/world/gwoonyarm/imagesa.htmlhttp://www.jxy55.com/ (just the front cover)
http://www.adidaphat.us/phapamhtm/tranghinh.htmHis Dharma Repentance: (a Chinese Mahayana Liturgy)
http://www.siddham.org/yuan_english/sut ... ssion.html (format by Dharma Realm Buddhist Association)
(see link
here for Word attachment of the similar Repentance by Fo Guang Shan)
Will be back for more

Om Mani Padme Hum!
Namo Amitabha Buddha!