TATWAMASI How many of the pilgrims of Sabarimala have seen the written message "TATWAMASI" in front of the sanctum sanctorum of Ayyappa. But TATWAMASI is the most important one and must know by the devotee of Sabarimala. TATWAMASI-means that is you. Tat=tat,twam=you,asi=is. In brief; I am becoming U, and U becoming I. 'I' refers Paramathma means lord Ayyappa. 'U' refers jeevathma means a devotee. A concept is a devotee within himself is a lord and lord within is a devotee to understand is TATWAMASI.