The Deeper Symbolism of Freemasonry from The Meaning of Masonry by Walter Leslie Wilmshurst.

“In all periods the world’s history, and in every part of the globe, the secret orders and societies have existed outside the limits of the official churches for the purpose of teaching what are called ‘the Mysteries’: for imparting to suitable and prepared minds certain truths of human life, certain instructions about divine things, about the things that belong to our peace, about human nature and human destiny, which it was undesirable to publish to the multitude who would but profane those teachings and apply the esoteric knowledge that was communicated to perverse and perhaps to disastrous ends.” [via]

Consider also:

  1. “The form of the teaching communicated has varied considerably from age to age; it has been expressed under different veils; but since the ultimate truth the Mysteries aim at teaching is always one and the same, there has always been taught, and can only be taught, one and the same doctrine.”
  2. “These Mysteries were formerly taught, we are told, ‘on the highest hills and in the lowest valleys,’ which is merely a figure of speech for saying, first, that they have been taught in circumstances of the greatest seclusion and secrecy, and secondly, that they have been taught in both advanced and simple forms according to the understanding of their disciples.”
  3. “The Craft whose work we are taught to honour with the name of a ‘science,’ a ‘royal art,’ has surely some larger end in view than merely inculcating the practice of social virtues common to all the world and by no means the monopoly of Freemasons.”
  4. “There are members of the Craft to whom it is familiar, and who in due time may feel justified in gradually making public at any rate some portion of what is known in interior circles. But ere that time comes, and that the Craft itself may the better appreciate what can be told, it is desirable, nay even necessary, that its own members should make some effort to realize the meaning of their own institution and should display symptoms of earnest desire to treat it less as a system of archaic and perfunctory rites, and more as a vital reality capable of entering into and dominating their lives; less as a merely pleasant social order, and more as a sacred and serious method of initiation into the profoundest truths of life.”
  5. “We are told seven or more years was the normal period, though less sufficed in worthy cases. The most severe tests of discipline, of purity, of self-balance were required before a neophyte was permitted to pass forward, and a reminiscence of these tests of fitness is preserved in our own working by the conducting of the candidate to the two wardens, and submitting him to a merely formal trial of efficiency.”