Al-Anbiyaa • BN-TAFSEER-IBN-E-KASEER
﴿ لَا يَسْبِقُونَهُۥ بِٱلْقَوْلِ وَهُم بِأَمْرِهِۦ يَعْمَلُونَ ﴾
“they speak not until He has spoken unto them, and [whenever they act,] they act at His behest.”
Please check ayah 21:29 for complete tafsir.