those who believe in god and the day of judgment do not ask you whether they should fight for the cause of god with their property and in person or not. god knows all about the pious ones.
لا يستأذنك الذين يؤمنون بالله واليوم الآخر أن يجاهدوا بأموالهم وأنفسهم والله عليم بالمتقين