健康的大脑会有效的剔除和摒弃无价值的或无意义的数据，好让我们能够记住最重要的。
A fit brain will efficiently screen out and discard worthless or meaningless data so it can remember what's important.
在我们的生活中有很多美丽的风景，但是我们应该注意到最重要的是没有我们所爱的人，那些东西就是毫无价值。
There is many beautiful scenery in our life, however, the most important thing we should notice is that, without the people we love, they worth nothing.
我们应该考虑一下什么是最重要和同样重要的是，什么是不那么重要，甚至在我们的生活中毫无价值，我们可以愉快地不要。
We should take a look at what is most important and just as importantly, what is not so important or perhaps worthless in our lives that we can happily do without.
如果他被社会强迫做他不愿做的事，或者他喜欢做的事被社会忽视，被认为无价值和不重要，他就不会真正高兴。
He cannot be really happy if he is compelled by society to do what he does not enjoy doing, or if what he enjoys doing is ignored by society as of no value or importance.
起初，他的目光只是随随便便的，象是一个习惯于洞察他人内心的人，除非外表上的什么东西与内心有关，否则外观便既无价值又不重要。
It was carelessly, at first, like a man chiefly accustomed to look inward, and to whom external matters are of little value and import, unless they bear relation to something within his mind.
这是事情的关键：那些事情根本不是毫无价值，但是年轻人通常不理解这些事情的重要性。
And that's the key point: these issues aren't obscure at all, but young people still often don't understand why they are of such importance.
这是事情的关键：那些事情根本不是毫无价值，但是年轻人通常不理解这些事情的重要性。
And that's the key point: these issues aren't obscure at all, but young people still often don't understand why they are of such importance.
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