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who has remarked on the present age, that its most original thinkers are those who have known most thoroughly what had been thought by their predecessors: and this will always henceforth be the case. Every fresh stone in the edifice has now to be placed on the top of so many others, that a long process of climbing, and of carrying up materials, has to be gone through by whoever aspires to take a share in the present stage of the work. How many women are there who have gone through any such process? Mrs. Somerville, alone perhaps of women, knows as much of mathematics as is now needful for making any considerable mathematical discovery: is it any proof of inferiority in women, that she has not happened to be one of the two or three persons who in her lifetime have associated their names with some striking advancement of the science? Two women, since political economy has been made a science, have known enough of it to write usefully on the subject: of how many of the innumerable men who have written on it during the same time, is it possible with truth to say more? If no woman has hitherto been a great historian, what woman has had the necessary erudition? If no woman is a great philologist, what woman has studied Sanscrit and Slavonic, the Gothic of Ulphila and the Persic of the Zendavesta? Even in practical matters
