Arabic text
عَنْ جَرِيرٍ رضي الله عنه عَنِ النَّبِيِّ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ قَالَ: «مَنْ يُحْرَمِ الرِّفْقَ يُحْرَمِ الْخَيْرَ».
Translation
Jarīr (may Allah be pleased with him) reported: The Prophet (may Allah's peace and blessings be upon him) said: "He who is deprived of gentleness is deprived of goodness."
Explanation
The Prophet (may Allah's peace and blessings be upon him) informs that whoever is deprived of gentleness and is not guided to it concerning religious and worldly matters, and in what he does for himself and what he does with others, has been deprived of all goodness.
Source: HadeethEnc.com