You don't manage people; you manage things. You lead people.

The only way to do great work is to love what you do.

Improve yourself through reflection.

"Ein Buch zu schreiben ist wie eine Reise in ein unbekanntes Land."

For in the final analysis, our most basic common link is that we all inhabit this small planet. We all breathe the same air. We all cherish our children's futures. And we are all mortal.