يوصيكم الله في أولادكم. يوصيكم الله في أولادكم للذكر مثل حظ الأنثيين

It is an injunction from Allah Allah thus directs you as regards your Children's Inheritance : to the male, a portion equal to that of two females: if only daughters, two or more, their share is two-thirds of the inheritance; if only one, her share is a half
These are settled portions ordained by Allah; and Allah is All-knowing, Al-wise

Your parents and your children—you do not know which of them is likelier to be beneficial for you.

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من الآية 11 الى الآية 12
Indeed Allah is all-knowing, all-wise
آیه 11 سوره نساء
And to each of his parents a sixth of the inheritance, if he have a son; and if he have no son and his parents are his heirs, then to his mother appertaineth the third; and if he have brethren, then to his mother appertaineth the sixth, after any legacy he may have bequeathed, or debt hath been paid
التفريغ النصي
Allah chargeth you concerning the provision for your children: to the male the equivalent of the portion of two females, and if there be women more than two, then theirs is two-thirds of the inheritance, and if there be one only then the half
For parents, a sixth share of the inheritance to each, if the deceased left children; if no children, and the parents are the only heirs, the mother has a third; if the deceased Left brothers or sisters the mother has a sixth Your parents and your children: Ye know not which of them is nearer unto you in usefulness
Ye know not whether your parents or your children are nearest to you in benefit This is an ordinance from Allah

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آیه 11 سوره نساء
القران الكريم
يُوصِيكُمُ اللَّهُ فِي أَوْلادِكُمْ لِلذَّكَرِ مِثْلُ حَظِّ الأُنثَيَيْن