"And is there anything that topples people into the Fire upon their faces except the harvests of their tongues?"
Narrated from Muʿādh ibn Jabal. Jāmiʿ at-Tirmidhī 2616 (Kitāb al-Īmān); graded ṣaḥīḥ by al-Albānī.
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In The Tongue
Muʿādh ibn Jabal asked the Prophet ﷺ what would save him, and the answer came to rest here:
Ḥaṣā'id — harvests. A harvest is not a seed. It is the gathered yield of a whole season of planting, brought in at the end and weighed all at once. That is the valley and the twigs once more, and it is why a sin so light can carry a warning so heavy.
And then there is the hadith that ought to frighten any man confident that his worship covers him:
Qur'anic Arabic is reproduced in the Uthmani script. Hadith Arabic is reproduced from the published collections named above. The English is a rendering informed by widely used translations, offered as an aid to meaning and not a substitute for the Arabic. Verify what is cited, and consult people of knowledge on anything affecting practice.