4:104 wa laa tahinuu fibtigaail qawm* in takuunuu ta'lamuuna fain-nahum ya'lamuuna kamaa ta'lamuun* wa tarjuuna minal-laahi maa laa yarjuun* wa kaanal-laahu 'Aliyman Hakiymaa

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Ahmed Raza Khan: Mohammed Aqib Qadri:
Do not relax in pursuit of the disbelievers; if you are suffering, they also suffer as you do; and you expect from Allah what they do not; and Allah is All Knowing, Wise.

Yusuf Ali:
And slacken not in following up the enemy: If ye are suffering hardships, they are suffering similar hardships; but ye have Hope from Allah, while they have none. And Allah is full of knowledge and wisdom.

Pickthal:
Relent not in pursuit of the enemy. If ye are suffering, lo! they suffer even as ye suffer and ye hope from Allah that for which they cannot hope. Allah is ever Knower, Wise.