In addition, some items are just not knowable until runtime.
此外，有些内容到运行时才能知道。
We have this clever illusion that the world is a knowable place.
我们有这种聪明的幻觉，就是世界是个可认知的地方。
All of these things are knowable and definable and yet obscured and opaque.
所有这些事情都是可知的.、确定的，但又是模糊而朦胧的。