A good objective of leadership is to help those who are doing poorly to do well and to help those who are doing well to do even better.
Work harder on yourself than you do on your job.
There's no regret. You can't regret. I mean I've felt regret but I've also...
When I was younger I probably didn't understand something basic about tact but I think it kept faint-hearted people at arm's distance and that's not such a bad thing because life is short and I know the kind of people I want to work with.