يَا أَيُّهَا الَّذِينَ آمَنُوا إِن تَنصُرُوا اللَّهَ يَنصُرْكُمْ وَيُثَبِّتْ أَقْدَامَكُمْ

This verse establishes a reciprocal relationship between believers and Allah regarding support and assistance. "Supporting Allah" means supporting His religion, His cause, and His commandments through word and deed. The verse promises that those who stand up for Allah's religion will receive divine support in return. "Planting firmly your feet" refers to giving strength, stability, and steadfastness in faith and action. This verse encourages believers to actively work for the cause of Islam and justice, with the assurance that Allah will provide them with the strength and stability they need. It teaches that divine assistance comes to those who first commit themselves to Allah's cause.