What are faith and superstition?

True faith means correct belief, proper oath, correct understanding, honest belief and true trust. The content of a positive letter must meet three main conditions: first, it must be permanent; Second, it must be universal; Third, it must be inevitable. In other words, it used to be like this, it is like this now, and it will be like this in the future. Any belief or trust in a truth or a thing that cannot stand the test of these three conditions is not belief, but superstition. A religious doctrine can't stand the test of the times, can't be guided by the environment, and can't open a new realm. It's superstition, not faith.