Memo to young journalists: Democratic victories are always ascribed to hope; Republican ones to rage.

I wouldn't say philosophy and theology are dead. Brain science doesn't invent new philosophies but it helps remind us which of our existing philosophies are more true.

We shouldn't just allow gay marriage. We should insist on gay marriage. We should regard it as scandalous that two people could claim to love each other and not want to sanctify their love with marriage and fidelity.

Highly educated young people are tutored, taught and monitored in all aspects of their lives, except the most important, which is character building. When it comes to this, most universities leave them alone.

Donald Trump, Vladimir Putin and Marine Le Pen seem to have no respect for the institutions that were created after World War II, and they see a potential alliance of populists around the world who would fight Islam and restore a certain semblance of traditional values.

When you're in governance, you understand the limitations and the complexities of governance.

The prevailing view is that geniuses are largely built, not born.