People thrive on positive reinforcement. They can take only a certain amount of criticism and you may lose them altogether if you criticize them in a personal way... you can make a point without being personal. Don't insult or belittle your people. Instead of getting more out of them you will get less
Bill WalshThe dash helps to indicate that the two thoughts are intimately related, and it's less stodgy than a semicolon, which would have performed the same function (and who talks in semicolons?).
Bill Walsh