Trickling runoff from a mountain’s upper reaches coalesces into rivulets, which in turn merge into brooks. Brooks combine to form streams; streams gather into creeks, which build into expansive rivers, whose hydraulic action not only moves bedrock and other so-called immovable objects, but whose flow nourishes and sustains life, land, and the entire watershed.
Such is the combining power of confluence.
Much like the tiny drops that start the flow, your teammates may come from very diverse origins. With them they bring swirling eddies of expertise and experience, bearing diverse backgrounds and beliefs, and packing a plethora of principles, paradigms, and persuasions!
But when they align in a unified flow, their cumulative momentum and empowering force are nearly unstoppable.