Mary Barra quotes and aphorisms about had Mary Barra Mary Barra ,, It's a marathon, not a sprint. I actually feel like I come to work stronger when I've had a little ... Mary Barra ,, My first job at General Motors was as a quality inspector on the assembly line. I was checking fits... Mary Barra ,, It was great to go to Stanford. Until that point, I'd spent my whole life in southeast Michigan, wo...