The Excellence of the Remembrance of Allah Riyad as-Salihin 1438
Arabic hadith text
وعن عبد الله بن بشر رضي الله عنه أن رجلا قال: يا رسول الله، إن شرائع الإسلام قد كثرت علي، فأخبرني بشيء أتشبث به قال: "لا يزال لسانك رطبًا من ذكر الله". رواه الترمذي وقال حديث حسن.
Translation
'Abdullah bin Busr (May Allah be pleased with him) reported
One of the Companions said, "O Messenger of Allah. There are many injunctions of Islam for me. So tell me something to which I may hold fast." He said, "Keep your tongue wet with the remembrance of Allah."[At-Tirmidhi].