But fortunately, I had a secret weapon with me, which was a chart that had the average income of all of the graduates from Stanford PhD programs, and then the average income of all the dropouts from Stanford graduate programs.
Felizmente, eu tinha uma arma secreta, que era um gráfico com o rendimento médio de todos os graduados dos programas de doutoramento de Stanford, e o rendimento médio  dos que tinham desistido dos programas de doutoramento de Stanford.