al-Sharif al-Radi (d. 406 AH) · Thaqalayn library edition, reproduced verbatim
فَاتَّقِ اللهَ يَا مُعَاوِيَةُ فِي نَفْسِكَ، وَجَاذِبِ الشَّيْطَانَ قيَادَكَ، فَإِنَّ الدُّنْيَا مُنْقَطِعَةٌ عَنْكَ، وَالْآخِرَةَ قَرِيبَةٌ مِنْكَ، وَالسَّلَامُ.
Therefore, O’ Mu‘āwiyah, fear Allāh about yourself and take away your rein from Satan, since this world is shortly to be cut off from you and the next world is near you; and that is an end to the matter.
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