I know nothing in the world tenderer than the pity that a kind-hearted young girl has for a young man who feels lonely.
 Oliver Wendell Holmes Sr., The Poet at the Breakfast-Table (1872). copy citation

Context

“When she looked off from the glass I thought both her eyes appeared very much as if they had been a little strained, for they were suffused and glistening. It may be that she pitied the lonely young man. I know nothing in the world tenderer than the pity that a kind-hearted young girl has for a young man who feels lonely. It is true that these dear creatures are all compassion for every form of human woe, and anxious to alleviate all human misfortunes. They will go to Sunday-schools through storms their brothers are afraid of, to teach the most unpleasant and intractable classes of little children the age of Methuselah and the dimensions of Og the King of Bashan's bedstead.” source