Chemistry ceases to improve when one element is found from which all others are deductible. Physics ceases to progress when one force is found of which all others are manifestations. So religion ceases to progress when unity is reached, which is the case with Hinduism.
The unity of a nation's spirit and will are worth far more than the freedom of the spirit and will of an individual; and that the higher interests involved in the life of the whole must here set the limits and lay down the duties of the interests of the individual.
The good are like one another, and friends to one another; and ... the bad, as is often said of them, are never at unity with one another or with themselves, but are passionate and restless: and that which is at variance and enmity with itself is not likely to be in union or harmony with any other thing.
Jiva (individual soul) is the conscious ruler of this body, in whom the five life principles come into unity, and yet that very Jiva is the Atman, because all is Atman.
Understanding that which is foreign to you is fundamental to cultivating a sense of connection and unity with one another. We are ultimately trying to accomplish the same thing, which is survival and the thriving of a better world.
They are the troublers, they are the dividers of unity, who neglect and don't permit others to unite those dissevered pieces which are yet wanting to the body of Truth.