Chapter 94Numbers and Letters · Numbers
Book 5. Part Two: The Opening of the Inner Senses · Section Three: Symbols
In one form or another all these ideas [such as the significance of numbers] have existed in the past. The significance of numbers was one of the chief elements in the teaching of Pythagoras 5 centuries before Christ.
* The number 7 is the number of realisation — when there are four 7’s it indicates perfect realisation.
* 7 is the figure of realisation. 3 x 3 means the descent from above and the answer from below.
* There is no unlucky number. Numbers all have their powers and why should 13 not have its chance?