والملة الاسلامية لما كان الجهاد فيها مشروعاً لعُموم الدعوة وحمل الكافة على دين الاسلام طوعاً أو كرهاً
In Islam, people were ordered to go out and fight, and announce Islam to everyone, and make them become Muslims whether they like it or not.
Al-muqaddimah by Ibn Khaldoun
