I assumed because I didn't believe in violence, because I wasn't violent, I wouldn't be affected by violence. (Para.3)
Meaning: I thought I wouldn't be affected by violence because I didn't consider violence to be of worth and because I didn't use weapons to hurt or kill others.
assume: vt. accept or believe that something is true even though you have no facts
Please note this word was learned in Passage B, Unit 4.
Why do you assume that no one understands your difficulties? 为什么你认为没有人理解你的困难呢？
He assumes that his nation cannot do wrong. 他认为他的国家不会做错事。
affect: vt. influence or cause someone or something to change in a particular way
The points you have raised do not affect my opinion. 你提出的那几点并不能使我改变观点。
Remember that your decision will affect a large number of people. 请记住，你的决定将影响到许多人。
be affected by: be influenced by
The president said that his government's stand would not be affected by outside pressures. 总统说外界压力不能改变他的政府的立场。
My pay was affected by the reorganization of the business. 公司重组影响了我的收入。