Give generously without expecting anything in return; Have faith that Allah will reward you; Be kind towards others; Show gratitude for all blessings received from Allah.

This hadith is about the importance of giving in charity and not taking it back. It was narrated by Ibn Umar, who was a companion of the Prophet Muhammad (PBUH). In this hadith, Umar gave a horse to be used for Allah's cause. Later on, he wanted to buy it back but the Prophet advised him not to do so as it would be considered taking back what he had given in charity. This teaches us that when we give something away for Allah's cause, we should not expect anything in return or try to take it back later on. We should have faith that Allah will reward us for our generosity and kindness towards others.