the believers are those who believe in god and his messenger then have not doubted and have struggled with their possessions and their selves in the way of god those they are the truthful ones.
إنما المؤمنون الذين آمنوا بالله ورسوله ثم لم يرتابوا وجاهدوا بأموالهم وأنفسهم في سبيل الله أولئك هم الصادقون