This in this world has all of many precious things and flit, as long as we have no confidence at that time, losing forever.

这世上有许多珍贵的东西都是稍纵即逝的，只要我们一时没把握住，就永远地失去了。

youdao

They may strut about, they may put on AIRS, but you will find that behind the show of confidence most people are empty, dull, mediocre, they have no real confidence at all.

他们也许是在自我炫耀、装模作样，但是你会发现在这种演出的背后，他们其实是空虚、无聊而平庸的他们根本没有真正的信心。

youdao

Sadly, we can have no confidence at all in results which do not perform these standard tests to exclude that chance element.

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