It is the statement of Islām and the key to the Abode of Peace (Paradise)
Imām Ibn al-Qayyim al-Jawziyyah
Ibn al-Qayyim (d. 751AH), may Allāh have mercy upon him, said:1
I bear witness that there is no deity worthy of worship except Allāh Alone; the One Who has no partner. A declaration by which the heavens and the earth were established, the entire creation was created, and with which Allāh, the Most High, sent His Messengers, revealed His Books, and prescribed Islamic laws. Because of it, the scales were appointed, the records established and the marketplace for Paradise and Hell-Fire was...