Nothing is at last sacred but the integrity of your own mind, is

Nothing is at last sacred but the integrity of your own mind, is a famous quote from ______ writings.
A、Walt Whitman's
B、Henry David Thoreau's
C、Herman Melville's
D、Ralph Waldo Emerson's
【正确答案】：D
【题目解析】：爱默生曾说：“只有人心灵的尊严才是最神圣的。”答案为D(P402)。