Il saggiatore (The assayer) by Galileo Galilei (–) is the final and most significant work in the polemic regarding the characteristics of. This is Galileo’s argument from “The Assayer,” which I encountered in both my history survey of modern philosophy and in metaphysics. Galileo. Galileo Galilei; Il Saggiatore (The Assayer); Rome, This quietly polemical text puts the case for a pared-down scientific conception of matter and a.

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The Assayer, later state | galileo

I believe that they fly, and that they fly alone, like eagles, and not in flocks like starlings. In this way the wonder was removed, and in place of it one would be astonished if the earth were not to acquire a contrary rotation when assumed to be a body suspended in a fluid medium and going around a large circle in a period of one year.

I am more like the monkey that firmly believed he saw another monkey in a mirror, and the image seemed so real and alive to him that he discovered his error only after runrung behind the glass several times to catch the other monkey. That is a very true statement, even though Sarsi appears to disbelieve it and acts as if acquainted with neither nature nor poetry. To discover the true cause I reason as follows: But realizing that if he had not chanced to meet the boy he would never have learned of the existence of a new method of forming musical notes and the sweetest songs, he decided to travel to distant places in the hope of meeting with some new adventure.

But even on that assumption, I do not see why he selects Tycho. But having extended it that far, let Sarsi return again to his original questions, and ask me whether I need to lengthen my telescope very much in order to see “nearby” objects-that is, objects which are not beyond the orbit of the moon. This site uses cookies. Galileo mistakenly believed that comets are an optical illusion.

I imagined that while this lasted you and Aristotle would grant me that since the air was then properly disposed for kindling the comet, it would likewise be suitable for melting lead balls and cooking eggs, inasmuch as you seem to require the same condition for both effects.


I could illustrate with many more examples Nature’s bounty in producing her effects, as she employs means we could never think of without our senses and our experiences to teach them to us-and sometimes even these are insufficient to remedy our lack of understanding.

Works of Galileo Galilei, Part 3, Volume 15, Astronomy: The Assayer

And if that is so, he asks, why shouldn’t irregularity exist also in the shape of the sky? If you were close by, you might be able to distinguish the broken pieces of this image from one another. The tongue and nasal passages are providently arranged for these things, as the one extends from below to receive descending particles, and the other is adapted to those which ascend.

I did not mean to spend so many words on this trifling, Your Excellency, but since the more has been done, the less remains to do. Hence I say it may happen that the parts left will weigh more in water than the entire piece of wood did. Attacking the first conclusion with great boldness, be says that to anyone who once looked at the comet, no other argument is necessary to prove the nature of its light, for by comparison with other true lights it clearly showed itself to be real and not spurious.

The Assayer

He clarifies that people believe heat to be a genuine or primary quality, but it is not. Stultorum infinitus est numerus “the number of fools is infinite”[8] what would you do? Few indeed are they who really know some part of it, and only One knows all.

There he found a small boy who was holding a bow in his right hand and sawing upon some fibers stretched over a hollowed piece of wood. But the live body which receives these operations feels different sensations according to the various places touched. But if that is what Aristotle meant, why assajer he say “friction”?

I have never claimed as Sarsi pretends that my opinion was certain to be swiftly carried by the winds to Rome. Now let a slight breeze spring up and ruffle the surface of the galioei, when you will see the image of the sun begin to break up into many pieces and extend into a wider area.


But he neglects to warn the reader that he is a Protestant, and hence had not accepted the Gregorian calendar.

His amazement was increased when upon entering a temple he heard a sound, and upon looking behind the gates discovered that this had come from the hinges and fastenings as he opened it. To put galilie hints and speak plainly, and dealing with science as a method of demonstration and reasoning capable [p. Yet in order to be prepared for anything lest the idea appear worthy of some considerationhe robs me of any possible credit by calling this “an ancient notion of Cardan [6] and Telesio,” which his teacher disparages as a fantasy of feeble philosophers who had no followers.

And precisely by this difference we may measure the sensitivity of the assayer’s balance in [p. It cannot consist of one glass alone, because the shape of this would have to be aesayer that is, thicker in the middle than at the edges or concave that is, thinner in the middleor bounded by parallel surfaces.

Those who know very little of philosophy are numerous. Well, my part in the discovery of this instrument and whether I may reasonably claim to be its parent was long ago set forth in my Starry Messenger. I ask you whether the comet’s flame is like our flames, or whether it has a different nature. To say, “This body has not lost weight in the balance, and hence no part of it has been consumed,” is fallacious reasoning.

Galileo’s The Assayer | Here She Be — The Battlements

Sarsi says yalilei does not wish to be numbered among those who affront the sages by disbelieving and contradicting them. Galileo proceeds by explaining the senses and their relation to elements. And who knows; perhaps in Sarsi’s eyes the pettiness of the theft does not render me more blameworthy than I would be if I had bravely applied myself to greater [p.