Lagrange, in one of the later years of his life, imagined that he had overcome the difficulty (of the parallel axiom). He went so far as to write a p…

- Augustus De Morgan

Wrong hypotheses, rightly worked from, have produced more useful results than unguided observations.

- Augustus De Morgan

Mathematicians care no more for logic than logicians for mathematics.

- Augustus De Morgan

We know that mathematicians care no more for logic than logicians for mathematics. The two eyes of science are mathematics and logic; the mathematica…

- Augustus De Morgan

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 …

- Augustus De Morgan

It should seem that it is easier to square the circle than to get round a mathematician.

- Augustus De Morgan

I was x years old in the year x2.

- Augustus De Morgan

The moving power of mathematical invention is not reasoning but imagination.

- Augustus De Morgan

I did not hear what you said, but I absolutely disagree with you.

- Augustus De Morgan