The greatest thing you can do for your competition - hire poorly.

I would certainly use my voice to try and avoid anything that undermines confidence, so that parents are using vaccines fully.

Well private money can take risks in a way that government money often isn't willing to.

Rules broken today become norms tomorrow.

Does the universe exist only for me? It's possible. If so, it's sure going well for me, I must admit.

The Green Revolution focused on the big three - maize, rice and wheat - and the Green Revolution did not adapt the big three to African conditions, other than South Africa, as much as they should have.

America's high schools are obsolete. By obsolete, I don't just mean that they're broken, flawed, or underfunded, though a case could be made for every one of those points. By obsolete, I mean our high schools-even when they're working as designed-cannot teach all our students what they need to know today.