Dracula by Bram Stoker Chapter 10 Page 10

When first the Professor's eye had lit upon him, he had been angry at his interruption at such a time, but now, as he took in his stalwart proportions and recognized the strong young manhood which seemed to emanate from him, his eyes gleamed. Without a pause he said to him as he held out his hand,

“Sir, you have come in time. You are the lover of our dear miss. She is bad, very, very bad. Nay, my child, do not go like that.”For he suddenly grew pale and sat down in a chair almost fainting. “You are to help her. You can do more than any that live, and your courage is your best help.”

“What can I do?” asked Arthur hoarsely. “Tell me, and I shall do it. My life is hers' and I would give the last drop of blood in my body for her.”