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

As for sensible realities, these are also purely good, and evil is merely their non-existence; that is, blindness is the want of sight, deafness is the want of hearing, poverty is the want of wealth, illness is the want of health, death is the want of life, and weakness is the want of strength (74:4)

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