Q. What was the origin of the global expressions of appreciation; service and sacrifice we all saw during this pandemic? Could it be that we realized on some level our burgeoning understanding of oneness? ‘Abdu’l-Bahá, the son of Bahá’u’lláh, wrote extensively about this teaching of Bahá’u’lláh….
“A fundamental teaching of Bahá’u’lláh is the oneness of the world of humanity. Addressing mankind, He says, “Ye are all leaves of one tree and the fruits of one branch.” By this it is meant that the world of humanity is like a tree, the nations or peoples are the different limbs or branches of that tree, and the individual human creatures are as the fruits and blossoms thereof.
The oneness of humanity, however, does not imply uniformity. Rather, the Bahá’í writings affirm the principle of unity in diversity. More than the mere tolerance of differences or celebration of superficial aspects of diverse cultures, the diversity of the human family should be the cause of abiding love and harmony, “as it is in music where many different notes blend together in the making of a perfect chord.”
(‘Abdu’l-Bahá-Paris Talks )