I am perfectly convinced that I have both seen, and heard in a manner which should make unbelief impossible, things called spiritual which cannot be taken by a rational being to be capable of explanation by imposture, coincidence, or mistake. — 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 beauty to the results. In truth, in truism if the reader please, Laplace was neither Lagrange nor Euler , as every student is made to feel. The second is power and symmetry, the third power and… — Augustus De Morgan Copy Share
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. It has become mathematical. The question now is, not whether this or that hypothesis is better or worse to the pure thought, but whether it accords with observed phenomena in those consequences which can be shown… — Augustus De Morgan Copy Share
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