The year 1844 marked the end of humanity’s childhood and signaled the "coming of age" of the human race. Like a pot of water which has just come to a boil, we are now ready to rid ourselves of enmity and discord, and abide in freedom and security.
Two identical editions have been scanned; embedded below is the 1972 edition (signature written in ink, not printed), and the 1970 one is here
Raising the Tent of Unity
New Delhi: Baha'i Publishing Trust, 1970/1972