aham sarvasya prabhavo mattah sarvam pravartate
iti matva bhajante mam budha bhava-samanvitah
“I am the source of all spiritual and material worlds. Everything emanates from Me. The wise who perfectly know this engage in My devotional service and worship Me with all their hearts”. Lord Krishna BG 10-8
Since time immemorial we are taking birth and dieing. Lord Krishna being merciful to the human form of life have given this wonderful comprehensive power of the nature of the soul and Super soul, Lord Krishna, to perfect our human mission.