Augustus De Morgan Quotes

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

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

I was x years old in the year x2.

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

But the gambling reasoner is incorrigible: if he would but take to squaring the circle, what a load of misery would be saved.

Mathematicians care no more for logic than logicians for mathematics.

I don't quite hear what you say, but I beg to differ entirely with you.

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

Common integration is only the memory of differentiation.

The sacred writings excepted, no Greek has been so much read and so variously translated as Euclid.

As to writing another book on geometry [to replace Euclid] the middle ages would have as soon thought of composing another New Testament.

My opinion of mankind is founded upon the mournful fact that, so far as I can see, they find within themselves the means of believing in a thousand times as much as there is to believe in.

The Astronomer's Drinking Song Astronomers! What can avail Those who calumniate us; Experiment can never fail With such an apparatus.