It is narrated on the authority of Abu Malih that Ubaidullah b. Ziyad visited Ma'qil b. Yasar in his illness. Ma'qil said to him: I am narrating to you a hadith which I would have never narrated to you had I not been in death-bed. I heard Allah's apostle (ﷺ) say: A ruler who has been entrusted with the affairs of the Muslims but he makes no endeavors ( for the material and moral uplift) and does not sincerely mean (their welfare) would not enter Paradise along with them.
Source: sunnah.com
Other translations
Arabic
وَحَدَّثَنَا أَبُو غَسَّانَ الْمِسْمَعِيُّ، وَمُحَمَّدُ بْنُ الْمُثَنَّى، وَإِسْحَاقُ بْنُ إِبْرَاهِيمَ، قَالَ إِسْحَاقُ أَخْبَرَنَا وَقَالَ الآخَرَانِ، حَدَّثَنَا مُعَاذُ بْنُ هِشَامٍ، قَالَ حَدَّثَنِي أَبِي، عَنْ قَتَادَةَ، عَنْ أَبِي الْمَلِيحِ، أَنَّ عُبَيْدَ اللَّهِ بْنَ زِيَادٍ، عَادَ مَعْقِلَ بْنَ يَسَارٍ فِي مَرَضِهِ فَقَالَ لَهُ مَعْقِلٌ إِنِّي مُحَدِّثُكَ بِحَدِيثٍ لَوْلاَ أَنِّي فِي الْمَوْتِ لَمْ أُحَدِّثْكَ بِهِ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " مَا مِنْ أَمِيرٍ يَلِي أَمْرَ الْمُسْلِمِينَ ثُمَّ لاَ يَجْهَدُ لَهُمْ وَيَنْصَحُ إِلاَّ لَمْ يَدْخُلْ مَعَهُمُ الْجَنَّةَ " .
sunnah.com