“I never really studied business in school. I kind of wish I had, but how boring is that?”– Mick Jagger Related Quotes “It is awfully important to know what is and what is not your business.”– Gertrude Stein “I believe fundamental honesty is the keystone of business.”– Harvey S. Firestone “I think it is an immutable law in business that words are words, explanations are explanations, promises are promises – but only performance is reality.”– Harold S. Geneen