1、Although he made progress himself， for instance by using his brains instead of his fists， and learning to love some people and hate others instead of resenting everyone.
2、It was only after the Second World War that the doubts about the benefits of civilization began to be felt widely， and as the new scientific-technological civilization makes it possible to destroy all human life in the world within a couple of minutes， the doubt has come to stay.
第二段：从个人角度讲，人类变得更糟糕：
1、In old days a person was likely to die in his bed， surrounded by wife and children who loved him， but today， as the newspapers show， a man is quite likely to be murdered by his wife， or deserted by his child， or to end up in some lonely old people’s home.
2、A hundred years ago men didn’t feel inferior because they couldn’t fly， but now they do because they can’t cure the common cold or get to Mars.
第三段：从整个人类的角度来讲，人类变得更糟糕：
1、Men can be much better controlled and coerced， and human relationships become more mechanical and more distant than at any time.
2、There is much more danger that an error may occur from which the species cannot recover than there was when man’s existence was threatened by wild wolves or by the natural elements.
1、Civilization has given us such a powerful apparatus that its possible misuse is enough to make us feel reluctant to trust any group of men with control over it.
