“If there's no challenge in your life, then there's no enjoyment in your life.” — David Tian Ph.D Challenge Copy Share Image
“Those who don't overcommit, who undercommit, who just focus on one or two things, those one or two things become magnified so… — David Tian Ph.D Busy Copy Share Image
“I read these biographies all the time about these successful people and one of the patterns that I've discovered, and what I've… — David Tian Ph.D Busy life Copy Share Image
