Worst of all is the idea that somehow time has a direction of flow, i.e., an arrow. The idea that we are moving in time in one direction or another is a concept

Worst of all is the idea that somehow time has a direction of flow, i.e., an arrow. The idea that we are moving in time in one direction or another is a conceptual disaster. That's a funny comment (I realize it's not yours, hugh3), because this guy is flying in the face of respected theoretical physicists. Time is immutable? It cannot have a direction? Blogga please.