If you erroneously identify yourself with your body, you will conclude that your existence will end with the destruction of your body. But if you know that you are the eternal self within the body, you know that your existence will not end when your body dies.
Jagad Guru Chris Butler - Science of Identity Foundation
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An enlightened person sees the body as a garment that he is only wearing and using temporarily.
Jagad Guru Chris Butler - Science of Identity Foundation
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An enlightened person fully understands his identity as an eternal particle of life, unborn and undying.
Siddhswarupananda
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A person who understands that (1) one day the body will cease existing, and that (2) he himself will not cease existing, naturally becomes less interested in material gain and material pursuits (which he knows will be taken away one day) and becomes more interested in making spiritual advancement—advancement in wisdom, love, and compassion.
Jagad Guru Chris Butler - Science of Identity Foundation