The Tamarian captain understands that actions, that experiences, can communicate in ways that words cannot, which is of course as true of human beings as much as it is of fictional extraterrestrials. This is a large part of why so many religions rely on ritual and formal rites: the actions communicate to us much more deeply than mere words, because we are actually living out what they want to convey. In fact, the true meaning of the term “mystery” (from the Greek μυστήριον) is not something unknowable, but something that can only be known experientially, through doing. Traditional Christianity tells us that God uses these mysteries as a means not only of imparting His Grace, but of revealing himself to us.