Sri Adi Sankara said: Samaadhana (Tranquillity) it is a condition whereby the mind is constantly engaged in the total contemplation of the Supreme Reality; and it is not gained through any amount of intellectual oscillation. Self commitment to stay in Reality which none other than Brahman. In other words Ekagratha of Mind in the absolute brahman.
Mumukshuthwa is the highest burning desire to release onself; from the Samsara, by realizing the Real nature of One's Self. This realization is from all bondages from Egoism to the Body. These are created by the ignorance (agnaanam). In sequence it start from Ahamkara-Anandamaya kosa-vignaanamaya kosan-manomayakosam-pranamayakosam-annamayakosam. The Real (life or jeeva or aathma) is residing inside this couch.
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