The friends must, at all times, bear in mind that they are, in a way, like soldiers under attack. The world is at present in an exceedingly dark condition spiritually; hatred and prejudice of every sort are literally tearing it to pieces. We, on the other hand, are the custodians of the opposite forces, the forces of love, of unity, of peace and integration, and we must continually be on our guard, whether as individuals or as an Assembly or Community, lest through us these destructive, negative forces enter into our midst.
In other words, we must beware lest the darkness of society become reflected in our acts and attitudes, perhaps all unconsciously. Love for each other, the deep sense that we are a new organism, the dawn-breakers of a New World Order, must constantly animate our Bahá’í lives, and we must pray to be protected from the contamination of society which is so diseased with prejudice.
— On Behalf of Shoghi Effendi, The Power of Unity, p. 120
Therefore comfort each other and edify one another, just as you also are doing. — 1 Thessalonians 5:11 (NKJV)