"If the Holocaust that you talk about was real, why don't you allow the subject to be studied? One can freely research any issue, except for this issue, which is sealed. It is a black box, which they do not allow to be opened or reexamined. They do this in order to exploit it."

Next Quote

What does the perfect elevator look like, the one that will deliver us from the cities we suffer now, these stunted shacks? We don't know because we can't see inside it, it's something we cannot imagine, like the shape of angels' teeth. It's a black box.

— Colson Whitehead