… the spiritual world … is the Kingdom of complete attraction and affinity. It is the Kingdom of the One Divine Spirit, the Kingdom of God.
- ‘Abdu’l-Baha (From a talk, 12 April, 1912, New York; ‘The Promulgation of Universal Peace: Talks Delivered by ‘Abdu’l-Bahá during His Visit to the United States and Canada in 1912’)