لاَ يَسْتَأْذِنُكَ الَّذِينَ يُؤْمِنُونَ بِاللّهِ وَالْيَوْمِ الآخِرِ أَن يُجَاهِدُواْ بِأَمْوَالِهِمْ وَأَنفُسِهِمْ وَاللّهُ عَلِيمٌ بِالْمُتَّقِينَ
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سورة التوبة
(9/44) Those who believe in Allah and the latter day (in reaching Allah before death) do not ask leave of you from striving hard with their property and their lives. And Allah knows the owners of piety.
Surah At-Tawbah