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Antonie Van Leeuwenhoek Quotes


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Quotes by Antonie Van Leeuwenhoek

Showing 11-20 of 25 Quotes by Antonie Van Leeuwenhoek

I've never taught one, because if I taught one, I'd have to teach others... I would give myself over to a slavery, whereas I want to stay a free man.

~Antonie Van Leeuwenhoek

Topics: Because Free Free Man Give Man Myself Never Others Over Slavery Stay Taught Teach Want Whereas Would

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If any person examines by the microscope that part towards the extremity of the spider's body from whence its thread proceeds, he will observe the spot to be, as it were, surrounded by five several protuberances or risings, each ending in a point and altogether forming a kind of enclosure.

~Antonie Van Leeuwenhoek

Topics: Altogether Any Body Each Ending Extremity Five Forming He Kind Microscope Observe Part Person Point Proceeds Several Spider Spot Surrounded Thread Towards Were Whence Will

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If we now plainly perceive that the passage of the blood from the arteries into the veins of the tadpole is not performed in any other than those vessels, which are so minute as only to admit the passage of a single globule at a time, we may conclude that the same is performed in like manner in our own bodies and in those of other animals.

~Antonie Van Leeuwenhoek

Topics: Admit Animals Any Blood Bodies Conclude Like Manner May Minute Now Only Other Our Own Passage Perceive Performed Plainly Same Single Than Those Time Veins Which

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For my part, I would say that the male sperm and seeds of plants have been penetrated so far that there is nothing further to discover in this great secret, but I could err in my opinion.

~Antonie Van Leeuwenhoek

Topics: Been Could Discover Err Far Further Great In My Opinion Male Nothing Opinion Part Plants Say Secret Seeds Sperm Would

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I have oft-times been besought, by divers gentlemen, to set down on paper what I have beheld through my newly invented microscopia, but I have generally declined.

~Antonie Van Leeuwenhoek

Topics: Been Declined Divers Down Generally Gentlemen Invented Newly Paper Set Through

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I now found that the spider cannot fix its thread to anything without imprinting the hind part of its body on the place, by which pressure it emits an incredible number of excessively small threads diverging in every direction from whence we may conclude that as soon as the threads are exposed to the air, they lose their viscosity or gluey quality.

~Antonie Van Leeuwenhoek

Topics: Air Anything Body Cannot Conclude Direction Every Excess Exposed Fix Found Incredible Lose May Now Number Part Place Pressure Quality Small Soon Spider Thread Threads Whence Which Without

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We will admit that, out of the mud or sand which is found on the seashore or the beds of our rivers, at low water, shellfish or testaceous animals come forth, but it does not from thence by any means follow that they are produced without any regular course of generation.

~Antonie Van Leeuwenhoek

Topics: Admit Animals Any Beds Come Course Does Follow Forth Found Generation Low Means Mud Our Out Produced Regular Rivers Sand Seashore Water Which Will Without

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Man comes not from an egg but from an animalcule that is found in male sperm.

~Antonie Van Leeuwenhoek

Topics: Egg Found Male Man Sperm

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Just as the supposed number may differ from the true number by fully 100, 150, or even 200 in a flock of 600 sheep, so may I be even more out of my reckoning in the case of these very little animalcules.

~Antonie Van Leeuwenhoek

Topics: Case Differ Even Flock Fully Just Little May More Number Out Reckoning Sheep Supposed True Very

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I have lately examined water, in which beaten pepper was steeped, and found two sorts of animals for shape, and each of those sorts to contain greater and smaller kinds: the greater I supposed the elder, the less the younger.

~Antonie Van Leeuwenhoek

Topics: Animals Beaten Contain Each Elder Examined Found Greater Kinds Lately Less Pepper Shape Smaller Sort Supposed Those Two Water Which Younger

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Biography

Nationality: Dutch

Type: Scientist

Born: Unknown

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Find Antonie Van Leeuwenhoek on Amazon

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