The 'secret' is that there are no secrets, it's just hard work & common sense
If there are no secrets then there isn't the secret that there are no secrets, since this is itself a secret (of which there aren't any).
As recently appointed
Chief of Logic Police, I'm going to forgive this self-referentially incoherent statement and merely issue a warning, partially because you have the first token of the word enclosed in single quotation marks, perhaps with the intent of using them as scare quotes.
Chief of Logic Police logbook entry 01Suspect name: DroppingPlates
LPC#0001 Committed an act of self-referential incoherence
LPC#0035 Used single quotation marks as scare quotes
Result: Issued warning
Future Action: Monitor suspect, enroll in grammatical rehabilitation course including units on self-referential incoherence and properly using double quotation marks as scare quotes if further infractions occur.