When a woman gives in charity some of the food in her house, without causing any damage, there is reward for her for whatever she has given, and a reward for her husband for what he earned. The same applies to the trustee. In no respect does the one diminish the reward of the other.
Reference: Sahih Muslim 1024 a In-book : Book 12, Hadith 101 USC-MSA web (English) : Book 5, Hadith 2232 (deprecated)
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