I must go.

I must be alone." She held out a trembling hand, and, as I took it, I was shocked to see how terribly agitated and ill she looked.
"May I not come with you, dear ?" I pleaded.
"No, no!" she exclaimed breathlessly; "I must go away by myself.

I want to be alone.

Good-bye!" "Before I let you go, Ruth--if you must go--I must have a solemn promise from you." Her sad grey eyes met mine and her lips quivered with an unspoken question.
"You must promise me," I went on, "that if ever this barrier that parts us should be removed, you will let me know instantly.

Remember that I love you always, and that I am waiting for you always on this side of the grave." She caught her breath in a little quick sob, and pressed my hand.
"Yes," she whispered: "I promise.