Banking is necessary - banks are not.
When you have a fortune that is almost hard to imagine, the best thing is not to pass that on to one's children. That distorts their life situation.
We all need people who will give us feedback. That's how we improve.
In this business, by the time you realize you're in trouble, it's too late to save yourself. Unless you're running scared all the time, you're gone.
Software is more important than hardware.