1.People always make themselves more persistent to what they believe after controvert. (Zhuangzi said: “it is no use of controvert.
比时间流失更可怕的是机会的流失，比机会流失更可怕的是梦想和信心的流失。（应了那句教诲，一个人别人打不倒，只有自己倒。）
2.The statement of the last witness controvert the evidence of the first two.
最后一个证人的陈述反驳了前两人的证词。
