Oleg Tinkov. How to become a businessman (№ 382238)

The entrepreneur must be aggressive. But not external, but internal. Aggression is not about kicking the door open, and in the flagellation, in the harsh attitude to yourself. Aggression to achieve the goal. Not to compromise, to work 15 hours; to prove to everyone that you can.
The entrepreneur must be rational enough to accept the unconventional, and often tough decisions.