ENOfficial
Anas reported God’s Messenger as saying, “Make things easy and do not make them difficult; make people calm and do not scare them.’’ (Bukhari and Muslim.)
Source: sunnah.com
Other translations
Arabic
وَعَنْ أَنَسٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى الله عَلَيْهِ وَسلم: «يَسِّرُوا وَلَا تُعَسِّرُوا وَسَكِّنُوا وَلَا تُنَفِّرُوا»
sunnah.com