… Baha’u’llah has manifested for the education and training of all humanity. He is the Teacher of all, whether rich or poor, black or white, oriental or occidental, northern or southern.
- ‘Abdu’l-Baha (From a Tablet to Mr. and Mrs. Ostburg, Boston, Mass; Star of the West, vol. 2, no. 5, June 5, 1911)