Hussain Kamani – 40 Ahadith of Imam An-Nawawi 15 – Islamic Manners

On the authority of Abu Hurayrah (r), that the Messenger of Allah (s) said:
Let him who believes in Allah and the Last Day speak good, or keep silent; and let him who believes in Allah and the Last Day be generous to his neighbour; and let him who believes in Allah and the Last Day be generous to his guest. [Al-Bukhari Muslim]