The only thing that can make you successful is hard work.
The writer's only responsibility is to his art. He will be completely ruthless if he is a good one... If a writer has to rob his mother, he will not hesitate; the "Ode on a Grecian Urn" is worth any number of old ladies.
The best way to predict the future is to create it.
The best leaders are those who can see around corners and anticipate what's coming next.
Good habits shape an excellent life.