01. “That's impossible.” 

When your boss gives an assignment to you or a goal to your team, don't dismiss it as unattainable. Ideally you should find a way to meet your supervisor's expectations, but if something truly is not feasible, suggest an alternative. Example: “I like your plan for moving up the newsletter's schedule, but I'm not sure how we can make that happen this month with the other assignments we have. Is it OK if I postpone the XYZ deadline for a week to make the newsletter a priority?” 09 more after the break...