Silsilat al-Ahadith al-Sahihah

Narrated from Sayyiduna Abu Salma (may Allah be pleased with him), who was a servant of the Messenger of Allah (peace and blessings be upon him), that the Messenger of Allah (peace and blessings be upon him) said: "Wow! Wow!" Then he (peace and blessings be upon him) gestured five with his fingers and said: (These remembrances) how heavy they will be in the scale: «سبحان الله », «الحمد لله», «لا اله الا الله ، الله اكبر» (and the fifth thing) is a righteous son of someone who passes away, and his father, hoping for reward from Allah Almighty, remains patient."