To read a book, to think it over, and to write out notes is a useful exercise; a book which will not repay some hard thought is not worth publishing.
Maria Mitchell: Life, Letters, and Journals (ed. 1896)
To read a book, to think it over, and to write out notes is a useful exercise; a book which will not repay some hard thought is not worth publishing.
Maria Mitchell: Life, Letters, and Journals (ed. 1896)