One would know much better what to do if men’s characters were more consistent, and especially if one’s friends were invariably fit for any function they desired to undertake!
Lydgate," said Mr. Casaubon, with his invariably polite air, "I am exceedingly obliged to you for your punctuality.
He was often invited to the Bulstrodes’; but the girls there were hardly out of the schoolroom; and Mrs. Bulstrode’s naive way of conciliating piety and worldliness, the nothingness of this life and the desirability of cut glass, the consciousness at once of filthy rags and the best damask, was not a sufficient relief from the weight of her husband’s invariable seriousness.
There are no more uses of "invariably" in the book.
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I tell myself to go to sleep early, but I invariably end up watching television late into the night.
You better tell her we’re starting earlier. She’s invariably late.