The Soviet Union came apart along ethnic lines. The most important factor in this breakup was the disinclination of Slavic Ukraine to continue under a regime dominated by Slavic Russia. Yugoslavia came apart also, beginning with a brutal clash between Serbia and Croatia, here again 'nations' with only the smallest differences in genealogy; with, indeed, practically a common language. Ethnic conflict does not require great differences; small will do.

The single most exciting thing you encounter in government is competence, because it's so rare.

There is one unmistakable lesson in American history; a community that allows a large number of young men to grow up in broken families, dominated by women, never acquiring any stable relationship to male authority, never acquiring any set of rational expectations about the future - that community asks for and gets chaos.

The liberal left can be as rigid and destructive as any force in American life.

There are some mistakes only someone with a Ph.D. can make.

...there is simply nothing so important to a people and its government as how many of them there are, whether their number is growing or declining, how they are distributed as between different ages, sexes, and different social classes and racial and ethnic groups, and again, which way these numbers are moving.

No one is innocent after the experience of governing. But not everyone is guilty.