The brain (be it human, or that of another creature) is made up of millions and billions of tiny cells called neurons. These neurons are separate from one another, but also connected.
The real power of the brain lies not in the neurons themselves, but within the connections.
We call these connections synapses. A synapse is the space between two neurons, where information is passed back and forth. Little bursts of energy go from one to the other. This allows billions of individuals, that independently can only do so much, to work together to do the massive work of making the Human brain function.
Humans are like this as well. We always have been, but modern technology makes the comparison even more apt.
The Human species functions like a massive brain. Each of us are independent neurons, going about our business and doing what we can on our own. It is, however, the connections that we make with other beings that really make the world go round.
It is our connection to other Human beings that allows us to be who and what we are.
It is our connection to other Human beings that allows us access to a vast pool of knowledge and resources that one person alone could never hope to amass.
It is also through these connections that we experience each other, and develop emotions, understanding, empathy, and compassion.
Compassion is perhaps the most important of these traits. It is compassion that leads us to do what is right for our species as a whole rather than just ourselves. It is compassion that helps us to understand that the path to true happiness and comfort for one, is the path to true happiness and comfort for all.
We as Humans are all interconnected.
As individuals, we can only do so much, know so much, experience so much. As an interconnected species, however, we have gathered the knowledge of the ages, and our collected experiences go well beyond what any of us could dream.
We should remember this in our dealings with other people. You cannot touch one, without touching the whole. Taking care of one, is taking care of the whole.