Leonhard Euler Quotes
14 quotes
in 322 categories
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If a nonnegative quantity was so small that it is smaller than any given one, then it certainly could not be anything but zero. To…
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Although to penetrate into the intimate mysteries of nature and thence to learn the true causes of phenomena is not allowed to us, nevertheless it…
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Logic is the foundation of the certainty of all the knowledge we acquire.
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Nothing takes place in the world whose meaning is not that of some maximum or minimum.
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Madam, I have come from a country where people are hanged if they talk.
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For the sake of brevity, we will always represent this number 2.718281828459... by the letter e.
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Now I will have less distraction.
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After exponential quantities the circular functions, sine and cosine, should be considered because they arise when imaginary quantities are involved in the exponential.
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... I soon found an opportunity to be introduced to a famous professor Johann Bernoulli. ... True, he was very busy and so refused flatly…
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Notable enough, however, are the controversies over the series 1 - 1 + 1 - 1 + 1 - ... whose sum was given by…
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The kind of knowledge which is supported only by observations and is not yet proved must be carefully distinguished from the truth; it is gained…
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Mathematicians have tried in vain to this day to discover some order in the sequence of prime numbers, and we have reason to believe that…
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For since the fabric of the universe is most perfect and the work of a most wise Creator, nothing at all takes place in the…
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To those who ask what the infinitely small quantity in mathematics is, we answer that it is actually zero. Hence there are not so many…
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