佳句参考：
1. Parents are not wrong in enforcing good study habits , but they must not do so at the expense of stifling normal child development .
家长把好的学习习惯强加给孩子没有错，但是，他们这么做不能以抑制儿童的正常发展为代价。
2. It is quite reasonable to assume that modern science and technology ( ST ) will continue to advance . It is no less reasonable to believe that ST will radically improve the way we live . However , the same reasoning cannot be applied to improving social interaction .
假定现代科学技术将继续进步是很有道理的。相信科技会大幅度地改变我们的生活方式也是同样有道理的。然而，同样的逻辑不能用于改善社会上的相互作用。
3. Belief in the wonders of modern medical science is quite understandable . It is also quite possible that our faith in the ability of scientists to find the key for prolonging life are well-founded . Yet , the wisdom of prolonging life remains in question when considering the already massive global population and projected future growth .
相信现代医学的奇迹是可以理解的。很有可能我们相信科学家能够找到延长生命的关键也是有根据的。但是，考虑到已经非常庞大的世界人口和预计的未来的增长，延长生命是否明智仍有疑问。
4. It is one thing to support euthanasia , but quite another to offer any justification for genocide .
支持安乐死是一回事，为种族灭绝提供正当的理由是另一回事。
5. Claiming the need for censorship is one thing , but rationally proving its redeeming values represents a quite different issue .
主张审查制度的必要性是一回事，理智地证明它的可取之处是完全不同的另一回事。