This is a big world. Billions - rapidly increasing billions - of people live outside our borders. Obviously, a great number of them, being much poorer than they think most of us are, look enviously over those borders and would like, if they could, to come here.

It is an undeniable privilege of every man to prove himself right in the thesis that the world is his enemy; for if he reiterates it frequently enough and makes it the background of his conduct he is bound eventually to be right.

We should not lose ourselves in vainglorious sohemes for changing human nature all over the planet. Rather, we should learn to view ourselves with a sense of proportion and Christian humility before the enormous complexity of the world in which it has been given us to live.

It is obviously easier, for the short run, to draw cheap labor from adjacent pools of poverty...than to find it among one's own people. And to the millions of such prospective immigrants from poverty to prosperity, there is, rightly or wrongly, no place that looks more attractive than the United States. Given its head, and subject to no restrictions, this pressure will find its termination only when the levels of overpopulation and poverty in the United States are equal to those of the countries from which these people are now so anxious to escape.

Like a graceful vase, a cat, even when motionless, seems to flow.

The United States should not jump around like an elephant frightened by a mouse.

World communism is like [a] malignant parasite which feeds on diseased tissue