Across all religious traditions and cultures, prayer is a universal expression of worship and piety. It is a most elementary manifestation of religious life. In a hadith, Prophet Muhammad (peace be upon him and his family) states: “Each and everything has a face (or purpose), and the face of religion is prayer.” 
“Therefore, remember me” proclaims Allah in the Qur’an-e-Sharif, “(and) I will remember you” (2:152). Prayer is, thus, a most basic expression of an affirmation (faith) and acknowledgment of the existence of a higher power to which one is intimately connected or bonded, and overwhelmingly dependent.
Read this great article in its entirety at the source: https://iicanada.org/national/enduring-power-prayer