Getting the word out that, yes vaccines are great, the safety data's very, very clear, including any of these specific concerns, that's very important to our foundation.

You have the refugee crisis triggered by Syria. That's got a lot of costs associated with it. Domestically, budgets are incredibly tight because the economy's not generating the growth that makes for easy trade-offs.

Treatment without prevention is simply unsustainable.

Don't let complexity stop you. Be activists. Take on the big inequities. It will be one of the great experiences of your lives.

We paired this announcement of the R&D [commitment] with the so-called Breakthrough Energy Coalition, which is 27 [major investors] saying, "Hey, we'll put significant money into [energy innovations] when they're ready to spin out probably into startup companies."

Inspiration starts somewhere.

If you want to build a great company, get the hell out of Silicon Valley.