It may be possible to live in peace, but our peace symbol is not helping matters at all. Anyone can check the symbol with a pendulum or muscle response testing and show that it weakens most of us. Yet we put it on necklaces and T shirts and feel that it represents "peace." In fact it is quite the opposite. Please do not look at it very long, and if you do glance at it, look at the Y version to the right to counteract it. The Y is a sign of the tree of life, whereas our peace symbol is an ancient sign of destruction.

This provides a good explanation:

I write a bit more about symbols in The Ancient Science of Shape.