'Black Swan' author Nassim Taleb shares 4 life lessons — and reveals what keeps him awake at night

Nassim Nicholas Taleb is the author of "The Black Swan" and an advisor to Universa Investments.

Nassim Nicholas Taleb

• BI asked Nassim Nicholas Taleb for his life advice, idea of success, and what keeps him awake at night.
• The author of "The Black Swan" said discipline, skills, and health are key to a full life.
• Taleb said he worries about friends and family's health and wealth.

Nassim Nicholas Taleb, the author of "The Black Swan" and "Antifragile," has advice...