If firmer evidence emerges that all work and no play makes Jack a dull-sighted boy, parents and educationalists will have to examine changing the balance.

如果有更切实的证据表明只工作不玩耍，就会变得近视，那么家长和教育家就需要研究一下如何调整两者的平衡了。

youdao

But if there is no harm to the elements themselves in each continually changing into another, why should a man have any apprehension about the change and dissolution of all the elements?

而如果在一个事物不断变化的过程中元素本身并没有受到损害，为什么一个人竟忧虑所有这些元素的变化和分解呢？

youdao

But if there is no harm to the elements themselves in each continually changing into another, why should a man have any apprehension about the change and dissolution of all the elements?

而如果在一个事物不断变化的过程中元素本身并没有受到损害，为什么一个人竟忧虑所有这些元素的变化和分解呢？

youdao