What is la hawla wala quwwata illa billahil aliyyil azim?

La hawla wala quwwata illa billahil aliyyil azim is an Arabic phrase that is commonly recited by Muslims. It translates to "there is no power or strength except with Allah, the High, the Great." It is often used in times of hardship or distress as a reminder of the power and omnipotence of Allah. The phrase is also believed to have protective properties and can be recited as a form of prayer or supplication.