It was delivered in person by Ahmad Yazdání and Hand of the Cause Ibn-i-Asdaq in 1920. In the tablet, `Abdu'l-Bahá gives an overview of Bahá'í principles, which include the following: * Declaration of universal peace. * Independent investigation of reality. * Oneness of humanity. * Religion must be the cause of fellowship and love. * Religion must be in conformity with science and reason. * Abandonment of religious, racial, political, economic and patriotic prejudices. * One universal language. * Equality of women and men. * Voluntary sharing one's property. * Man's freedom from the captivity of the world of nature. * Religion is the ideal safeguard. * Material civilization should be combined with Divine civilization. * Promotion of educati