We know that mathematicians care no more for logic than logicians for mathematics. The two eyes of science are mathematics and logic; the mathematical set puts out the logical eye, the logical set puts out the mathematical eye; each believing… — Augustus De Morgan Copy Share Image
Considerable obstacles generally present themselves to the beginner, in studying the elements of Solid Geometry, from the practice which has hitherto uniformly prevailed in this country, of never submitting to the eye of the student, the figures on whose properties… — Augustus De Morgan Copy Share Image
Imagine a person with a gift of ridicule [He might say] First that a negative quantity has no logarithm; secondly that a negative quantity… — Augustus De Morgan Copy Share Image
But the gambling reasoner is incorrigible: if he would but take to squaring the circle, what a load of misery would be saved. — Augustus De Morgan Copy Share Image
Mathematicians care no more for logic than logicians for mathematics. — Augustus De Morgan Copy Share Image
As to writing another book on geometry [to replace Euclid] the middle ages would have as soon thought of composing another New Testament. — Augustus De Morgan Copy Share Image
“The genius of Laplace was a perfect sledge hammer in bursting purely mathematical obstacles; but, like that useful instrument, it gave neither finish nor… — Augustus De Morgan Copy Share Image
I did not hear what you said, but I absolutely disagree with you. — Augustus De Morgan Copy Share Image
During the last two centuries and a half, physical knowledge has been gradually made to rest upon a basis which it had not before.… — Augustus De Morgan Copy Share Image
I am perfectly convinced that I have both seen, and heard in a manner which should make unbelief impossible, things called spiritual which cannot… — Augustus De Morgan Copy Share Image
The imaginary expression √(-a) and the negative expression -b, have this resemblance, that either of them occurring as the solution of a problem indicates… — Augustus De Morgan Copy Share Image
All existing things upon this earth, which have knowledge of their own existence, possess, some in one degree and some in another, the power… — Augustus De Morgan Copy Share Image
The sacred writings excepted, no Greek has been so much read and so variously translated as Euclid. — Augustus De Morgan Copy Share Image
![“Imagine a person with a gift of ridicule [He might say] First that a negative quantity has no logarithm; secondly that a negative quantity has no square root; thirdly that the first non-existent is to the second as the circumference of a circle is to the diameter.” quote by Augustus De Morgan](https://sms4smile.com/quotes/img-quotes/17f/augustus-de-morgan-18916_circles_imagine-a-person-with-a-gift-of-ridicule_136734.jpg)
![“As to writing another book on geometry [to replace Euclid] the middle ages would have as soon thought of composing another New Testament.” quote by Augustus De Morgan](https://sms4smile.com/quotes/img-quotes/ed4/augustus-de-morgan-18916_age_as-to-writing-another-book-on-geometry-t_584350.jpg)
