Al-Ma'aarij • BN-TAFSEER-IBN-E-KASEER
﴿ ٱلَّذِينَ هُمْ عَلَىٰ صَلَاتِهِمْ دَآئِمُونَ ﴾
“[and] who incessantly persevere in their prayer”
Please check ayah 70:35 for complete tafsir.