If you wake up in the morning thinking that today is the start of a new life, you can avoid being dragged along by your yesterday's self.
There is no point in worrying over past events that cannot be changed.
Only a person who recognizes how hard it is to be a professional can enjoy being one.
A professional is a person who can decide his own salary.
Self-concern is a powerful thing when starting up a company, but unless that self-concern is converted into concern for society, sooner or later, that company will fail.