I seek forgiveness from Allah and…

Say the following words a hundred times a day:

اَسْتَغْفِرُ اللّٰهَ وَاَتُوْبُ اِلَيْهِ

I seek forgiveness from Allah and turn to Him in repentance.

1. Sahih al-Bukhari, no. (6307), Sahih Muslim, no. (2702), Sunan at-Tirmidhi, no. (3259), Sunan Ibn Majah, no. (3815), the wording is his.