It is narrated from Sayyiduna Samurah bin Jundub (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "The words most beloved to Allah, the Mighty and Majestic, are four: La ilaha illallah (there is no god but Allah), Allahu akbar (Allah is the Greatest), Subhanallah (glory be to Allah), and Alhamdulillah (all praise is for Allah). It does not harm you with which of them you begin."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6761
It is narrated from Sayyiduna Samurah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "The speech most beloved to Allah, the Mighty and Majestic, is: Subhanallah (glory be to Allah), Alhamdulillah (all praise is for Allah), La ilaha illallah (there is no god but Allah), and Allahu akbar (Allah is the Greatest). It does not harm you with which of them you begin."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6762
It is narrated from Sayyiduna Samurah bin Jundub (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Never name your slave Yasar, Rabah, Najih or Aflah, for you will say: 'Is he there?' and he will not be, so it will be said: 'No.' These are only four names, so do not add to them."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6763
It is narrated from Sayyiduna Samurah (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Do not name your slave Rabah, Najih, Aflah or Yasar."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6764
Sayyiduna Samurah (may Allah be pleased with him) says: the Messenger of Allah (peace and blessings be upon him) forbade us from giving our slaves four names: Nafi', Aflah, Rabah and Yasar.
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6765