Software is inherently complicated. If you say to somebody I want an airline reservation system, to really say what you want in terms of overbooking and fares, and different airlines communicating with each or schedule changes, it's immensely complex. And so you can't write a program that's any simpler than that full specification.

Some very poor countries run great vaccination systems, and some richer ones run terrible programs.

My success, part of it certainly, is that I have focused in on a few things.

Humanity’s greatest advances are not in its discoveries – but in how those discoveries are applied to reduce inequity. Whether through democracy, strong public education, quality health care, or broad economic opportunity – reducing inequity is the highest human achievement.

Your customers get better when you do.

I didn't completed my University Education

I'm serious when I do my work. I'm not serious when I'm home with my kids.