Who wrote in an 1852 novel “Any mind that is capable of a real sorrow is capable of good”

STOWE

"Here’s a helpful hint: "This author’s famous 1852 work exposed the harsh realities of slavery and sparked national debate." This hint points to the novel's historical significance and subject matter without directly naming the book or the author, making it easier than the original clue while still requiring some literary knowledge."

The clue is a direct quotation attributed to the author of an 1852 novel. The quote, "Any mind that is capable of a real sorrow is capable of good," comes from Uncle Tom’s Cabin, a famous anti-slavery novel written by Harriet Beecher Stowe. The answer, "STOWE," is the last name of the author.