Augustus De Morgan

power mathematics invention reason imagination

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

― Augustus De Morgan (1806-1871)

experiment trial murphy

“The first experiment already illustrates a truth of the theory, well confirmed by practice, what-ever can happen will happen if we make trials enough.”

― Augustus De Morgan (1806-1871)

hear disagree

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

― Augustus De Morgan (1806-1871)

mathematician logician eye

"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 that it sees better with one eye than with two."

― Augustus De Morgan (1806-1871)

mathematicianscare logic logician mathematics

"Mathematicians care no more for logic than logicians for mathematics."

― Augustus De Morgan (1806-1871)

hypothesis result observation

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

― Augustus De Morgan (1806-1871)

square circle round mathematician

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

― Augustus De Morgan (1806-1871)