3. Ali Imran · verses 141–142

وَلِيُمَحِّصَ ٱللَّهُ ٱلَّذِينَ ءَامَنُواْ وَيَمۡحَقَ ٱلۡكَٰفِرِينَ

Waliyumahhisa Allahu allatheena amanoo wayamhaqa alkafireena

Allah´s object also is to purge those that are true in Faith and to deprive of blessing Those that resist Faith.

أَمۡ حَسِبۡتُمۡ أَن تَدۡخُلُواْ ٱلۡجَنَّةَ وَلَمَّا يَعۡلَمِ ٱللَّهُ ٱلَّذِينَ جَٰهَدُواْ مِنكُمۡ وَيَعۡلَمَ ٱلصَّٰبِرِينَ

Am hasibtum an tadkhuloo aljannata walamma yaAAlami Allahu allatheena jahadoo minkum wayaAAlama alssabireena

Did ye think that ye would enter Heaven without Allah testing those of you who fought hard (In His Cause) and remained steadfast?