Surah Taha 20:31
ٱشْدُدْ بِهِۦٓ أَزْرِى
Increase through him my strength
Translation: Saheeh International
Tafsir
Confirm through him my strength my courage;
Excerpt from Tafsir al-Jalalayn, commentary on 20:31, via Quran.com. The reader has the full commentary and 9 more tafsirs.