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

Every science that has thriven has thriven upon its own symbols: logic, the only science which is admitted to have made no improvements in century after century, is the only one which has grown no symbols.

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

It was long before I got at the maxim, that in reading an old mathematician you will not read his riddle unless you plough with his heifer; you must see with his light, if you want to know how much he saw.

[About Francis Baily] The history of the astronomy of the nineteenth century will be incomplete without a catalogue of his labours. He was one of the founders of the Astronomical Society, and his attention to its affairs was as accurate and minute as if it had been a firm of which he was the chief clerk, with expectation of being taken into partnership.

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

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