Tthe part of man (the soul) that is too exquisite to die

Of all the unsound ideas thus preached by great heroes and accepted by hundreds of millions of their eager dupes, probably the most patently unsound is the one that is most widely held, to wit, the idea that man has an immortal soul—that there is a part of him too ethereal and too exquisite to die. Absolutely the only evidence supporting this astounding notion lies in the hope that it is true