You have to respect your parents. They are giving you an at-bat. If you're an entrepreneur and go into the family business you want to grow fast. Patience is important. But respect the other party... My dad and I pulled it off because we really respect each other.
I am sure that on the one hand the Rothschilds appreciate the merits of Marx and that on the other hand Marx feels an instinctive inclination and a great respect for the Rothschilds.