He must make the proper use of his opportunities or he will infallibly perish.

他必须善加利用机会，否则他必定毁灭。

When the rate of interest rise, such a person's expenditure must almost infallibly be reduced.

当利率上升时，这样一种人的支出几乎无疑问地会减少。

How can we be sure the Gospel story is an accurate and infallibly recorded historical account?

我们怎样才能确保对福音的故事是一个历史记录的准确和无误？

If they are real, they will infallibly be discovered, without your pointing them out yourself, and with much more advantage.

如果你真有这些优点，他们肯定会被别人发现，不必你亲自指出，而这样对你更有利。

Progress infallibly awakes, and, in short, we may say that it marches on, even when it is asleep, for it has increased in size.

总之，可以这样说，它睡着也在前进，因为人们发现它成长了。