Mary Barra quotes and aphorisms about out Mary Barra ,, The biggest message I have for young women is, Don't start cutting off branches of your career tree... 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 ,, I'm a big believer of work/life balance. You need a little down time to recharge to make sure that ...