Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) says: There is no state more beloved to Allah Almighty in which to find His servant than finding him with his face placed in the dust (that is, in prostration).
Al-Tabarani recorded it in al-Mu'jam al-Kabir; its chain contains Asim bin Abi al-Nujud, who has been criticized.