Sunan Abi Dawud

Abu Musa Al-Ash'ari said:They (the Companions) accompanied the Prophet (ﷺ) while they were climbing the turning of a hill. A man uttered loudly: ""There is no god but Allah, and Allah is most great"" when he ascended the hill. The Prophet of Allah (ﷺ) said: You are not supplicating one who is deaf or absent. He then said: 'Abd Allah b. Qais. The narrator then transmitted the tradition to the same effect