Tibetan Yogi (10401123) famous and revered for his songs of spiritual realizations.
OM AH HUM
These seed syllables of body, speech and mind, situated at the crown,
throat and heart chakras, are used extensively in meditation and in
religious ceremonies as a blessing mantra.
Shamatha Medication (Tib. Chi.nae) Visual image of the Tranquil Abiding Meditation depicting the meditators progress from the initial stages of mind control by holding the mental power of memory (rope) and the mental power of alertness (taming hook) to the highest stage, examining the correct view of emptiness with single pointed concentration (fire).