There is a certain method of communicating in which, to the layperson, your words will have a clear meaning, and to the initiated, your words will have a clearer, and deeper meaning. You might call this "the gift of tongues".
Writing this, I know that some people will misinterpret what I'm saying, and think that I'm talking about a kind of "political" language in which the words used are ambiguous, and so listeners can hear what they want to hear. This is a related, but distinct skill - or a distinct way of using the same skill.
Politicians speak with forked tongues in order to divide people, but when you use the gift of tongues, you unite people. Speaking with a forked tongue means that you speak lies on many levels, allowing the audience to choose which lie they want to hear. Using the gift of tongues means that you speak truth on many levels, allowing the audience to choose which level of truth they want to engage with.
When you take the opposite of a small truth, you will find a small untruth. When you take the opposite of a great lie, will find another great lie (a "strange loop"). And of course, when you take the opposite of a great truth, you will find another great truth.
Great truths have this quality of "special congruence" in that they will withstand scrutiny at any level - mentally, intellectually, intuitively, spiritually, and so on. You need not stop at one.
You might be concerned that to reach regular people with your message, you have to "dumb it down". You can take it that direction, and that's valid. You can also take it in the other direction, and sublimate your message.