Sunan At-Tirmidhi
Hadith #1021
Abu Sinan said:""I buried my son Sinan and Abu Talhah Al-Khawlani was sitting on the rim of the grave. When I wanted to leave he took me by my hand and said: 'Shall I not inform you of some good new O Abu Sinan!' I said: 'Of course.' He said: 'Ad-Dahhak bin Abdur-Rahman bin Arzab narrated to me, from Abu Musa Al-Ash'ari: ""The Messenger of Allah said: 'When a child of the slave (of Allah) died, Allah says to the angels: ""Have you taken the fruits of his work."" They reply: ""Yes."" So He says: ""What did My slave say?"" They reply: ""He praised you and mentioned that to You is the return."" So Allah says: ""Build a house in Paradise for My slave, and name it 'the house of praise