Why Was Albert Einstein Not Religious?

Science without religion is lame and religion without science is blind. This popular quote of Albert Einstein has been repeatedly used, particularly in science versus religion debates. But from this statement alone can one say that Einstein was arguing for religion? A large number of believers definitely think so, referring to this adage and thus claiming the greatest scientist of the 20th century as one of their own. However, Einstein had also famously written: "The idea of a personal God is a