Out of the six Kalimas, Kalime Tayyab is the first kalima. These kalimas are considerably tutored by Muslims to their children around the world. The first Kalima means the word of chastity. The alternate kalima means shahadah. Third, Fourth Kalima , and fifth kalima's are the remembrance or azkaar of Almighty Allah ( SWT). The meaning of La ilaha illallah Muhammadur Rasulullah is, “There is none worthy of worship except God (Allah) and Muhammad is the messenger of God.” The immense benefit of this kalima can be understood by the following hadith: Abu Sa’eed al-Khudri quoted Prophet Mohammad (PBUH) as saying that Musa (Alayhi salam) said: “O Lord! Teach me something that I can remember You with and I can supplicate You with. Allah said: “Say ‘La ilaha ill Allah’, O Musa.” He (Musa) said: All of your servants say this. He (Allah) said: “If the seven Heavens and those who dwell in them other than Me and the seven Earths are put into one pan (of the scale) and ‘La ilaha ill Allah’