"Then [Mary] said, "How shall I have a son, seeing that no man has touched me, and I am not unchaste? He said, "So (it will be) Your Lord said, "That is easy for me: and we wish to appoint him as a sign unto men and a mercy from us. It is a matter (So) decreed." Qur'an [19:20]

"Not equal are those believers who sit (at home) and receive no hurt, and those who strive and fight in the cause of Allah with their goods and their persons. Allah hath granted a grade higher to those who strive and fight with their goods and persons than to those who sit (at home). Quran [004.095] 

"Or think ye that ye shall be abandoned, as though Allah did not know those among you who strive with might and main, and take none for friends and protectors except Allah, His Messenger, and the (community of) Believers?Quran [009.016] 

"O ye who believe! Take not my enemies and yours as friends (or protectors),- offering them (your) love ..." Quran [060.001] 

"For the Unbelievers are unto you open enemies." Quran [004.101]