La Ilahe Illallah Zikir -

Reciting it 100 times daily can erase 100 bad deeds and grant the reward of freeing ten slaves.

"Except Allah." This confirms that Allah is the only one truly worthy of worship, obedience, and ultimate devotion. 7 Conditions for Sincerity La Ilahe Illallah Zikir

While the basic phrase is powerful, it is often recited in an extended form: Reciting it 100 times daily can erase 100

Absolute belief without a shred of doubt. La Ilahe Illallah Zikir

Accepting the implications of the statement with the heart and tongue.