ßÊÇÈ ÇáÌåÇÏ æÇáÓíÑ : Hadeeth No:2804 : 'Abdullah bin 'Umar:
Umar bin Al-Khattab gave a horse to be ridden in Allah's Cause and
then he found it being sold. He intended to purchase it. So, he
consulted Allah's Apostle who said, "Don't buy it and don't take back
your gift of charity."...