In his commentary to Shade's poem Kinbote (in VN’s novel Pale Fire, 1962, Shade’s mad commentator who imagines that he is Charles the Beloved, the last self-exiled king of Zembla) says that, personally, he has not known any lunatics; but has heard of several amusing cases in New Wye:
Line 629: The fate of beasts
Above this the poet wrote and struck out:
The madman’s fate