they alone are believers who come to believe in god and his apostle then never doubt again and struggle wealth and soul in the way of god. they are the truthful and sincere.
إنما المؤمنون الذين آمنوا بالله ورسوله ثم لم يرتابوا وجاهدوا بأموالهم وأنفسهم في سبيل الله أولئك هم الصادقون