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[ Translator's Note. Aventurine is a rare kind of quartz; and the same name is given to a brownish-colored glass much resembling it, which is manufactured at Murano. It is so called from the fact that the glass was discovered by chance (arventura).]
And in this connection let me utter a word of protest against any and every form of affectation. It always arouses contempt; in the first place, because it argues deception, and the deception is cowardly, for it is based on fear; and, secondly, it argues self-condemnation, because it means that a man is trying to appear what he is not, and therefore something which he things better than he actually is. To affect a quality, and to plume yourself upon it, is just to confess that you have not got it. Whether it is courage, or learning, or intellect, or wit, or success with women, or riches, or social position, or whatever else it may be that a man boasts of, you may conclude by his boasting about it that that is precisely the direction in which he is rather weak; for if a man really possesses any faculty to the full, it will not occur to him to make a great show of affecting it; he is quite content to know that he has it. That is the application of the Spanish proverb: herradura que chacolotea clavo le falta—a clattering hoof means a nail gone. To be sure, as I said at first, no man ought to let the reins go quite loose, and show himself just as he is; for there are many evil and bestial sides to our nature which require to be hidden away out of sight; and this justifies the negative attitude of dissimulation, but it does not justify a positive feigning of qualities which are not there. It should also be remembered that affectation is recognized at once, even before it is clear what it is that is being affected. And, finally, affectation cannot last very long, and one day the mask will fall off. Nemo potest personam diu ferre fictam, says Seneca;[38] ficta cito in naturam suam recidunt—no one can persevere long in a fictitious character; for nature will soon reassert itself.
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[ De Clementia, I. 1.]
SECTION 31. A man bears the weight of his own body without knowing it,
but he soon feels the weight of any other, if he tries to move it; in the same way, a man can see other people's shortcoming's and vices, but he is blind to his own. This arrangement has one advantage: it turns other people into a kind of mirror, in which a man can see clearly everything that is vicious, faulty, ill-bred and loathsome in his own nature; only, it is generally the old story of the dog barking at is own image; it is himself that he sees and not another dog, as he fancies.