Killing innocent is prohibited by Allah and Rasul but jihad is a must in Islam
Surah Al-Baqarah (The Cow)
بسم الله الرحمن الرحيم
وَقَاتِلُوا فِي سَبِيلِ اللَّهِ الَّذِينَ يُقَاتِلُونَكُمْ وَلَا تَعْتَدُوا ۚ إِنَّ اللَّهَ لَا يُحِبُّ الْمُعْتَدِينَ
Sahih InternationalFight in the way of Allah those who fight you but do not transgress. Indeed. Allah does not like transgressors.
Muhsin KhanAnd fight in the Way of Allah those who fight you, but transgress not the limits. Truly, Allah likes not the transgressors. [This Verse is the first one that was revealed in connection with Jihad, but it was supplemented by another (V.9:36)].
MalayDan perangilah kerana (menegakkan dan mempertahankan) ugama Allah akan orang-orang yang memerangi kamu, dan janganlah kamu menceroboh (dengan memulakan peperangan); kerana sesungguhnya Allah tidak suka kepada orang-orang yang menceroboh.
Sheikh Osama Bin Ladin
أسامة بن محمد بن عوض بن لادن
"I would like to remind my brothers ... how Osama bin Laden came into existence," el-Sowa said. "He was reacting to the extremist actions by the West against Islam.
We do not think al-Qaida is justifiable, but we would like to remind you that hatred begets hatred."
- Ali Abou el-Sowa -