Larry implored us to exert more control over our careers. He said McKinsey would never stop making demands on our time, so it was up to us to decide what we were willing to do. It was our responsibility to draw the line. We needed to determine how many hours we were willing to work in a day and how many nights we were willing to travel. If later on, the job did not work out, we would know that we had tried on our own terms. Counterintuitively, long-term success at work often depends on not trying to meet every demand placed on us. The best way to make room for both life and career is to make choices deliberately--to set limits and stick to them.