Former Goldman Sachs CEO Lloyd Blankfein reveals he day-trades on his iPad, keeps 98% of his portfolio in equities, and credits luck as much as skill for reaching the top. Despite leading a $2 trillion firm through the 2008 financial crisis, Blankfein grew up in Brooklyn housing projects and still can't shake the scarcity mindset—revealing how early poverty shapes lifelong financial psychology and decision-making. The gap between elite performers and average ones is often tiny; one stroke in golf separates first place from six tied for second, yet winners capture disproportionate rewards across most fields.