Everybody all for one

Everybody has his own merits and demerits. One should never think that he is perfect while others are all good for nothing.

每个人都有自己的优点和缺点，不要把别人都看成百无一是，把自己看成十全十美。

《新英汉大辞典》

To one lot of people, fairness means establishing the same rules for everybody, playing by them, and letting the best man win and the winner take all.

对于一些人来讲，公平就是为所有人建立相同的规则，据此行事，让最优秀的人获胜并且赢得全部。

If one day the order came down for everybody to wear blue-tinted glasses, then there'd be nobody at all to see it.

假如将来有一天，上级规定每个人都必须戴蓝色眼镜的话，就再没有人能看到这样的风景。