Our Torah has 613 commandments. Our rabbis divided them into a number of categories, one of the most notable being the distinction between commandments between a person and God, and commandments between a person and another person.
My father loves photography. He would lug out his 35 millimeter camera and insist on taking pictures of my mom and me on vacations, hikes, even sometimes just going out to lunch. Now that he has a DSLR, it's even worse; Emily and I joke that we have to build dad's camera time into our activities due to the number of times he asks us to stop in front of this or that tree, bridge, flower, sunset ... you get the idea.
Judaism displays this with a concept of a *minyan.* Whenever there is a prayer service, there are certain prayers that can not be said allowed unless there are 10 Jewish adults present. This shows the power of community, friendship and solidarity, but it also teaches the power and of difference diversity.