Surah Al-Hujraat Verse 15 - English Translation by Edward Henry Palmer
Surah Al-Hujraatإِنَّمَا ٱلۡمُؤۡمِنُونَ ٱلَّذِينَ ءَامَنُواْ بِٱللَّهِ وَرَسُولِهِۦ ثُمَّ لَمۡ يَرۡتَابُواْ وَجَٰهَدُواْ بِأَمۡوَٰلِهِمۡ وَأَنفُسِهِمۡ فِي سَبِيلِ ٱللَّهِۚ أُوْلَـٰٓئِكَ هُمُ ٱلصَّـٰدِقُونَ
The believers are only those who believe in God and His Apostle, and then doubt not, but fight strenuously with their wealth and persons in God's cause - these are the truth-tellers