Some Ans. Questions 2014 by -'Abdu'l-Bahá- 1 Para

A rational proof for the immortality of the spirit is this, that no effect can be produced by a non-existent thing; that is, it is impossible that any effect should appear from absolute nothingness. For the effect of a thing is secondary to its existence, and that which is secondary is conditioned upon the existence of that which is primary. So from a non-existent sun no rays can shine; from a non-existent sea no waves can surge; from a non-existent cloud no rain can fall; from a non-existent tree no fruit can appear; from a non-existent man nothing can be manifested or produced. Therefore, so long as the effects of existence are visible, they prove that the author of that effect exists (60:5)

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