Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
darimi:551 – Shihāb b. ʿAbbād > Sufyān > Umay > Mashawā Khalf ʿAlī

[Machine] "Be cautious about stepping on my heart, as it is detrimental to the hearts of wounded men."  

الدارمي:٥٥١ – أَخْبَرَنَا شِهَابُ بْنُ عَبَّادٍ حَدَّثَنَا سُفْيَانُ عَنْ أُمَيٍّ قَالَ مَشَوْا خَلْفَ عَلِيٍّ فَقَالَ

«عَنِّي خَفْقَ نِعَالِكُمْ فَإِنَّهَا مُفْسِدَةٌ لِقُلُوبِ نَوْكَى الرِّجَالِ»  

See similar narrations below:

Collected by Suyūṭī
suyuti:4-1719b – ʿL > Kuffūā > Khafq Niʿālikm
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السيوطي:٤-١٧١٩b –

"عَن علىٍّ قَالَ: كُفُّوا عَنْ خَفْقِ نِعَالِكم فَإِنَّهَا مَفْسَدَةٌ لِقُلُوبِ نَوْكَى الرِّجَالِ".  

[عم] زيادات عبد الله بن أحمد فيه