Allah's Apostle said, "Know that Paradise is under the shades of swords." Bukhari 52.73
A man came to Allah's Apostle and said, "Instruct me as to such a deed as equals Jihad (in reward)." He replied, " I do not find such a deed..." Bukhari 52.44
Allah's Apostle said, "I have been ordered to fight with the people till they say, 'None has the right to be worshipped but Allah,' ... Bukhari 52.196
O people, immigrate, holding on to Islam, for Hijra (migration) is to continue as long as Jihad continues. Malik
9:111 Allah has bought from the believers their lives and their wealth in return for Paradise; they fight in the Way of Allah, kill and get killed ... Rejoice then at the bargain you have made with Him; for that is the great triumph.
4:74 So let those who sell the present for the life to come fight in the Way of Allah. Whoever fights in the Way of Allah and is killed or conquers, We shall accord him a great reward.
61:9 It is He Who sent His Messenger forth with the guidance and the religion of truth, to make it triumph over every religion ...
What the Koran (with commentary from the Prophet Muhammad) has to say about this on-going global struggle for religious supremacy, and the civil war which started it all, is what Jihad in the Koran is all about.