The Bahá’ís are free to greet each other with Alláh-u-Abhá when they meet, if they want to, but they should avoid anything which to outsiders, in a western country, might seem like some strange Oriental password. We must be very firm on principles and laws, but very normal and natural in our ways, so as to attract strangers. The Divine Plan of ‘Abdu’l-Bahá is divided into epochs. The first Seven-Year Plan constituted the first stage of the first epoch; the second Seven-Year Plan constitutes the second stage; while the Ten-Year Crusade will constitute the third stage of the first epoch of the Divine Plan. The first epoch of the Divine Plan will conclude with the conclusion of the Ten-Year Crusade.
I like this book a lot, it helped me understand so many more principles that I was not aware of