Crescent

Crescent refers to the beginning of God's religion before it grows to a full moon

"as for the crescent: It hath reference to the beginning of the religion of God which shall grow to be a full moon."

('Abdu'l-Bahá, Tablets of 'Abdu'l-Bahá, p. 598, in Lights of Guidance, no. 1718)

See also

• Symbols
• Star