Om Namasivaya nama:
Sri Sankara Bagawathpadar says that a conviction must be made within us that Brahman alone is real and the rest all un-real in other words illusions. Also note this must be done only through a proper discrimination analysis.
That desire to give up all transitory enjoyments gained through seeing, hearing and experiencing through mortal body is called real detachment and this is applicable for human to Brahma.
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