Jane Eyre by Charlotte Brontë Chapter 34 Page 62

“A part of me you must become,” he answered steadily; “otherwise the whole bargain is void. How can I, a man not yet thirty, take out with me to India a girl of nineteen, unless she be married to me? How can we be for ever together — sometimes in solitudes, sometimes amidst savage tribes — and unwed?”

“Very well,” I said shortly; “under the circumstances, quite as well as if I were either your real sister, or a man and a clergyman like yourself.”

“It is known that you are not my sister; I cannot introduce you as such: to attempt it would be to fasten injurious suspicions on us both.

And for the rest, though you have a man’s vigorous brain, you have a woman’s heart and — it would not do.”