"The Tao that can be trodden is not the enduring and unchanging Tao. The name that can be named is not the enduring and unchanging name.(Tao Te Ching )

"How shall we grasp the mystery of hidden things if we do not understand the obviousness of that blind us? The external star combines with the internal sun to engender the unique brightness. O secret beauty!" (L. Cattiaux, The Message Rediscovered 3, 8)

"If I have told you people about earthly things and you don't believe, how will you believe if I tell you about heavenly things? (John 3, 12)

To instruct vulgar men in the secrets of God is to arouse delirious desire and pride, to engender disorder and misfortune everywhere". (L. Cattiaux, The Message Rediscovered 2, 2)

" The secret of the LORD is with them that fear him; and he will shew them his covenant". ( Psalms 25, 14)

"A wise man's saying is expressed in this way: When all things were resting in a profound silence, there descend to me from on high, from the royal throne, a secret word. From this word is what will be the subject of this sermon". (Maister Eckhart, Of the Eternal Birth )