"Punctuality is one of the cardinal business virtues: always insist on it in your subordinates." ― Don Marquis Topic(s): Business More From Don Marquis "An optimist is a guy that has never had much experience." "Poetry is what Milton saw when he went blind." "Of middle age the best that can be said is that a middle-aged person has likely learned how to have a little fun in spite of his troubles." More In Business "Business can be a source of progressive change."― Jerry Greenfield "It’s so hard for women in this business. And I want to be doing this when I’m 50."― Sienna Miller "In business for yourself, not by yourself."― William James