Billionaire investor Leon Cooperman warned day traders against reckless betting. Here are 12 of his best quotes.

· *Billionaire investor Leon Cooperman is the chairman and CEO of Omega Advisors.*
· *His wealth is estimated to be about $3.2 billion. *
· *Cooperman recently warned that Robinhood traders are "doing stupid things" that will "end in tears."*
· *Here are** 12 of his best quotes on success, markets, COVID-19 and much...