Hi maybe you mean hidden passages or obscured Scriptures. This is how the Christ preached with illustrations so that people could not understand what the meaning was. So, the Bible still seems locked away. With the return at Christ at the Second Coming, the Bible is manifest.
10 His disciples came and asked him, “Why do you always use these hard-to-understand illustrations?”
11 Then he explained to them that only they were permitted to understand about the Kingdom of Heaven, and others were not.
12-13 “For to him who has will more be given,” he told them, “and he will have great plenty; but from him who has not, even the little he has will be taken away. That is why I use these illustrations, so people will hear and see but not understand.
14 “This fulfills the prophecy of Isaiah:
‘They hear, but don’t understand; they look, but don’t see! 15 For their hearts are fat and heavy, and their ears are dull, and they have closed their eyes in sleep,