Surah Al-Imran, ayah 142

3:142

أَمۡ حَسِبۡتُمۡ أَن تَدۡخُلُواْ ٱلۡجَنَّةَ وَلَمَّا يَعۡلَمِ ٱللَّهُ ٱلَّذِينَ جَٰهَدُواْ مِنكُمۡ وَيَعۡلَمَ ٱلصَّٰبِرِينَ ١٤٢

Am hasibtum an tadkhulul-jannata walammā ya'lamillāhul-ladhīna jāhadū minkum waya'lamas-sābirīn

Or do you think that you will enter Paradise while Allāh has not yet made evident those of you who fight in His cause and made evident those who are steadfast?