The Southern Cross is visible, -- sloping backward and sidewise, as if propped against the vault of the sky: it is not readily discovered by the unfamiliarized eye; it is only after it has been well pointed out to you that you discern its position.    From Wordnik.com.  [Two Years in the French West Indies] Reference

But Truth undisguised, never welcome in any civilized community above ground, is exposed at this time to especial dangers in Paris; and my life would not be worth an hour's purchase if I exhibited her 'in puris naturalibus' to the eyes of a people wholly unfamiliarized to a spectacle so indecorous.    From Wordnik.com.  [The Parisians — Complete] Reference