The more you know, the more you grow.
When I got to 40 or so... I had the sense when I looked back over my life I would actually see a mess of decisions, a few of which I had thought about, some of which I had sort of stumbled on, and many that I had no control over whatsoever.
Take everything you like seriously, except yourselves.
Strategic management is not a science, but an art.
The best leaders are those who listen more than they speak.