Transcript Galileo Galilei Powerpoint

Galileo Galilei
Galileo Galilei was an Italian physicist, mathematician, astronomer, and philosopher
who played a major role in the Scientific Revolution. His achievements include
improvements to the telescope and consequent astronomical observations, and
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Galileo Galilei:All truths are easy to understand once they are
discovered the point is to discover them. #Truth
Galileo Galilei:What has philosophy got to do with measuring
anything? #Philosophers and Philosophy
Galileo Galilei: Doubt is the father of invention. #Doubt
Galileo Galilei:I do not feel obliged to believe that the same
God who has endowed us with sense, reason, and intellect has
intended us to forgo their use. #Forgiveness
Galileo Galilei:If you could see the earth illuminated when you
were in a place as dark as night, it would look to you more
splendid than the moon. #Moon
Galileo Galilei:See now the power of truth; the same
experiment which at first glance seemed to show one thing,
when more carefully examined, assures us of the contrary.
#Truth
Galileo Galilei:You cannot teach a man anything, you can only
help him to find it for himself. #Teachers and Teaching
Galileo Galilei: You cannot teach a man anything; you can only
help him find it within himself. #Teachers and Teaching
Galileo Galilei:It has always seemed to me extreme
presumptuousness on the part of those who want to make
human ability the measure of what nature can and knows how
to do, since, when one comes down to it, there is not one effect
in nature, no matter how small, that eve #Nature
Galileo Galilei:Wine is "light held together by moisture."
#Alcohol and Alcoholism
Galileo Galilei:Philosophy is written in this grand book— I
mean the universe— which stands continually open to our
gaze, but it cannot be understood unless one first learns to
comprehend the language in which it is written. It is written in
the language of mathematics, and its characters are triangles,
circles, and other geometric figures, without which it is
humanly impossible to understand a single word of it; without
these, one is wandering about in a dark labyrinth (1623) #Love
Galileo Galilei:Surely, God could have caused birds to fly with
their bones made of solid gold, with their veins full of
quicksilver, with their flesh heavier than lead, and with their
wings exceedingly small. He did not, and that ought to show
something. It is only in order to shield your ignorance that you
put the Lord at every turn to the refuge of a miracle.
Dialogue Concerning the Two Chief World Systems
#Love
Galileo Galilei:Names and attributes must be accommodated to
the essence of things, and not the essence to the names, since
things come first and names afterwards. #Politicians and
Politics
Galileo Galilei:I have been in my bed for five weeks, oppressed
with weakness and other infirmities from which my age,
seventy four years, permits me not to hope release. Added to
this ( proh dolor! ) the sight of my right eye – that eye whose
labors (dare I say it) have had such glorious results - is for ever
lost. That of the left, which was and is imperfect, is rendered
null by continual weeping. July 4, 1637. The private life of
Galileo, p.278 #Age and Aging
Galileo Galilei:My dear Kepler, what would you say of the
learned here, who, replete with the pertinacity of the asp, have
steadfastly refused to cast a glance through the telescope?
What shall we make of this? Shall we laugh, or shall we cry?
#Age and Aging
Galileo Galilei:Allan-Olney, Mary. #Family
Galileo Galilei:I cannot without great wonder, nay more, disbelief, hear it being attributed to natural bodies as a
great honor and perfection that they are impassable, immutable, inalterable, etc.: as conversely, I hear it esteemed
a great imperfection to be alterable, generable, and mutable. It is my opinion that the earth is very noble and
admirable by reason of the many and different alterations, mutations, and generations which incessantly occur in
it. And if, without being subject to any alteration, it had been one great heap of sand, or a mass of jade, or if, since
the time of the deluge, the waters freezing which covered it, it had continued an immense globe of crystal, wherein
nothing had ever grown, altered, or changed, I should have esteemed it a wretched lump of no benefit to the
Universe, a mass of idleness, and in a word superfluous, exactly as if it had never been in Nature. The difference
for me would be the same as between a living and a dead creature. I say the same concerning the Moon, Jupiter,
and all the other globes of the Universe. The more I delve into the consideration of the vanity of popular
discourses, the more empty and simple I find them. What greater folly can be imagined than to call gems, silver,
and gold noble, and earth and dirt base? For do not these persons consider that if there were as great a scarcity of
earth as there is of jewels and precious metals, there would be no king who would not gladly give a heap of
diamonds and rubies and many ingots of gold to purchase only so much earth as would suffice to plant a
jessamine in a little pot or to set a tangerine in it, that he might see it sprout, grow up, and bring forth such goodly
leaves, fragrant flowers, and delicate fruit? It is scarcity and plenty that makes things esteemed and despised by
the vulgar, who will say that there is a most beautiful diamond, for it resembles a clear water, and yet would not
part from it for ten tons of water. These men who so extol incorruptibility, inalterability, and so on, speak thus, I
believe, out of the great desire they have to live long and for fear of death, not considering that, if men had been
immortal, they would not have come into the world. These people deserve to meet with a Medusa's head that
would transform them into statues of diamond and jade, that so they might become more perfect than they are.
#Imagination
Galileo Galilei:If I shall have sufficient strength to improve and
amplify what was written and published by me up to now about
motion by adding some little speculations, and in particular
those relating to the force of percussion, in the investigation of
which I have consumed hundreds and thousands of hours, and
finally reduced this to very easy explanation, so that people
can understand it in less than half an hour of time. #Writers
and Writing
Galileo Galilei:Assignment of the Science is not to open a door
to endless knowledge, but to set a barrier to the endless
ignorance. #Science and Scientists
Galileo Galilei:Whence do you have it that the terrestrial globe
is so heavy? For my part, either I do not know what heaviness
is, or the terrestrial globe is neither heavy nor light, as likewise
all other globes of the universe. Heaviness to me (and I believe
to Nature) is that innate tendency by which a body resists
being moved from its natural place and by which, when forcibly
removed therefrom, it spontaneously returns there. Thus a
bucketful of water raised on high and set free, returns to the
sea; but who will say that the same water remains heavy in the
sea, when being set free there, does not move? #Action
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