أَمْ حَسِبْتُمْ أَن تَدْخُلُواْ الْجَنَّةَ وَلَمَّا يَعْلَمِ اللّهُ الَّذِينَ جَاهَدُواْ مِنكُمْ وَيَعْلَمَ الصَّابِرِينَ
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سورة آل عمران
(3/142) Did you suppose that you would enter Paradise before Allah had tested those of you who really strived and tested those who are the patient?
Surah Al Imran