Or the really smart....
http://www.aolnews.com/article/4-time-texas-lotto-winner-rich-with-money-mystery/19553698
"After all, the only way to win is to keep playing. Ginther is smart enough to know that's how you beat the odds: she earned her doctorate from Stanford University in 1976, then spent a decade on faculty at several colleges in California.
Teaching math."