The difference between a stranger sending you a message that you might be interested in at a very low volume level, no repetition, just sending it to very few people, and that being done as spam - those things get close enough that you want to be careful never to filter out something that's legitimate.

I think the positive competition between states in India is one of the most positive dynamics that the country has.

We believe unbelievable progress can be made, in both inventing new vaccines and making sure they get out to all the children who need them.

in china when you're one in a million, there are 1300 people just like you

Part of the magic of economic growth is how you educate people, and the leading economies have to stay in front of that. From an economic point of view, it affects competitiveness and creates jobs. Or from a social justice point of view, you can take someone in the bottom tier of income and let him compete to be a doctor or lawyer. The education system is the only reason the dream of equal opportunity has a chance of being delivered - and we're not running a good education system.

Treatment without prevention is simply unsustainable.

I considered law and math. My Dad was a lawyer. I think though I would have ended up in physics if I didn't end up in computer science.