Religion must be, he says, a source of unity and concord, of compassion and empathy

Bahá’u’lláh, The Tablet to Mirza Abu'l-Fadl Concerning the Questions of Manakji Sahib, Provisional Translations, Tablet on Hinduism and Zoroastrianism - Cole

With reference to your question as to whether individuals can help each other by accepting to suffer for each other's sake. Surely such sacrifice for our fellow-humans can have helpful results. This law of sacrifice operates in our own lives, as well as in the lives of the Divine Manifestations.

Shoghi Effendi, Lights of Guidance, p. 118

With deep empathy for you as parents challenged with the onerous task of raising your children in a world beset with unprecedented problems and difficulties, the House of Justice assures you of its ardent prayers in the Holy Shrines on your behalf.

The Universal House of Justice, 1992 Oct 28, Manner of Appealing to Youth

The fourteenth factor of germination is the rise of the human spirit which must be swiftly, if invisibly, evolving -- along with man's more obvious material and mental progress -- and must, Bahá’u’lláh tells us, soon unite all people in a common bond of empathy that will bring such harmony and peace as was never before known on Earth.

Guy Murchie, Bahá’í World Volumes, Volume 16, p. 665