If against the present one any objection be raised on the score of its truth, it can only be that its author was an Arab, as lying is a very common propensity with those of that nation; though, as they are such enemies of ours, it is conceivable that there were omissions rather than additions made in the course of it.
Bear in mind that the culprit who comes under thy jurisdiction is but a miserable man subject to all the propensities of our depraved nature, and so far as may be in thy power show thyself lenient and forbearing; for though the attributes of God are all equal, to our eyes that of mercy is brighter and loftier than that of justice.
To which our Don Quixote made answer, "Sir, one solitary swallow does not make summer; moreover, I know that knight was in secret very deeply in love; besides which, that way of falling in love with all that took his fancy was a natural propensity which he could not control.
Finding, then, that he was unable to resist his propensity, he resolved to divest himself of the instrument and cause of his prodigality and lavishness, to divest himself of wealth, without which Alexander himself would have seemed parsimonious; and so calling us all three aside one day into a room, he addressed us in words somewhat to the following effect: "My sons, to assure you that I love you, no more need be known or said than that you are my sons; and to encourage a suspicion…
There are no more uses of "propensity" in the book.
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…now, and he knew she had a sense of humor, and she knew he did, too, and somehow he made her feel safe, made her trust that he would never bring it up again, that this terrible thing she said would remain betWeen them, that they both understood mistakes are made by all and that they should, if everyone is acknowledging our common humanity, our common frailty and propensity for sounding and looking ridiculous a thousand times a day, that these mistakes should be allowed to be forgotten.
Dave Eggers -- The Circle
I was too nervous to bother explaining that one of my father’s vices had been his propensity for dirty limericks.