Why is community a near-universal experience—especially for people of faith? One person put it this way: "Community is God's strategy for reaching the world." That's a neat way of saying that as community—rather than as individuals—we model what God has in mind for humanity.
Time is not a line but a dimension, like the dimensions of space. If you can bend space you bend time also, and if you knew enough and could move faster than light, you could travel backward in time and exist in two places at once.