The 9-pointed star is not a part of the teachings of our
Faith, but only used as an emblem representing '9'. In telling people of the 9
religions of the world, that is existing religions, we should not give this as
the reason the Temple has nine sides. This may have been an idea of the
architect, and a very pleasing idea, which can be mentioned in passing, but the
Temple has 9 sides because of the association of 9 with perfection, unity and '
Baha'.
- Shoghi Effendi (From a letter written on behalf of Shoghi Effendi; ‘Directives
from the Guardian’)