Keep reminded no killing

Recent terrorist attack target was Japanese during their working stay in Bangladish. According to recent NY time article , there is no clear starndard who is likely to became a terrorist like whether rich or poor and whether educated or not. We should bear in mind that every one of us mankind has a risk of being derailed from normal track by being brainwashed from unexpected event timing. To avoid that, Japanese conventional method is keep reminded some slogan like no way to do murder everyday.