Which sentence uses colons correctly?

john muir: the famous naturalist and champion for national parks, shared this wisdom about the calming effects of the natural world, "climb the mountains and get their good tidings. nature's peace will flow into you as sunshine flows into trees.”

john muir, the famous naturalist and champion for national parks, shared this wisdom about the calming effects of the natural world: "climb the mountains and get their good tidings. nature's peace will flow into you as sunshine flows into trees.”

john muir, the famous naturalist and champion for national parks: shared this wisdom about the calming effects of the natural world, "climb the mountains and get their good tidings. nature's peace will flow into you as sunshine flows into trees.”

john muir, the famous naturalist and champion for national parks, shared this wisdom: about the calming effects of the natural world "climb the mountains and get their good tidings. nature's peace will flow into you as sunshine flows into trees.”