--- Friedrich Nietzsche, Beyond Good and Evil, Part Four: Maxims and Intentions, transl. R. J. Hollingdale, Penguin Classics (Rev Ed) 2003
p. 99, paragraph 130 (complete)
What a person is begins to betray itself when his talent declines – when he ceases to show what he can do. Talent is also finery; finery is also a hiding place.