Born in Prague when it was part of the Austro-Hungarian empire and recognized today as a master of verse, poet Rainer Maria Rilke was considerably less well known in 1902 when he received a heartfelt letter from an aspiring poet. A 19-year-old student sent Rilke some of his verses, seeking an opinion of their worth. Rilke declined to offer a critique, instead encouraging the student to rely upon his own inner judgment: "Nobody can advise and help...