The Six Kalimah (Arabic: ٱلكَلِمَات ٱلسِتّ al-kalimāt as-sitt, also spelled qalmah), also known as the Six Traditions or the Six Phrases, are six Islamic phrases (prayers) often recited by Muslims. The phrases are taken in part from hadiths.
Recitation of the Six Kalimahs is taught in all Muslim countries' madrasas. Religious leaders are expected to be able to recite them and it is required to become an Imam.
If you want to embrace Islam then you have to recite /read 1st Kalima of Islam.