مَا أَنزَلْنَا عَلَيْكَ الْقُرْآنَ لِتَشْقَى
[20:2]
We have not revealed the Quran to you that you may be unsuccessful.
We have not sent down the Qur'an to thee to be (an occasion) for thy distress,
We have not revealed unto thee (Muhammad) this Qur'an that thou shouldst be distressed,