Terrorists take the radical parts of the book and disregard the good pieces. We determine what true Islam is based on what is the main theme and what is practiced. last time i checked i didnt know people kneeling and praising the lord was the same as killing dozens of people.
Are you stating that we don't do the same with other religions such as Christianity? In the bible there are plenty of verses that are clearly calling upon violence. Here are some examples:
Deuteronomy 20:17 You must utterly destroy the Hittites, Amorites, Canaanites, Perizzites, Hivites, and Jebusites, just as the LORD your God has commanded you
Deuteronomy 3:3 So the Lord our God also gave into our hands Og king of Bashan and all his army. We struck them down, leaving no survivors
2:34 At that time we took all his cities and completely destroyed them—men, women and children. We left no survivors.
20:16 In the cities of the nations the Lord your God is giving you as an inheritance, do not leave alive anything that breathes.
25:17 “Treat the Midianites as enemies and kill them,
31:3 So Moses said to the people, “Arm some of your men to go to war against the Midianites and to carry out the Lord’s vengeance on them.
31:15 “Have you allowed all the women to live?” he asked them.
31:17 Now kill all the boys. And kill every woman who has slept with a man,
Based on info found here: "The Arabic word Islam implies the attainment of peace through submission to Allah".