If a man be gracious and courteous to strangers, it shows he is a citizen of the world, and that his heart is no island cut off from other lands, but a continent that joins to them.

No nation is fit to sit in judgment upon any other nation.

There is no foreign land; it is the traveler only that is foreign.

Nothing is more narrow-minded than chauvinism or racial hatred. To me all men are equal; there are flatheads everywhere and I despise them all equally.

Some of us would be greatly astonished to learn the reasons why others respect us.

All men naturally hate each other. We have used concupiscence as best we can to make it serve the common good, but this is mere sham and a false image of charity, for essentially it is just hate.

A criminal may improve and become a decent member of society. A foreigner cannot improve. Once a foreigner, always a foreigner. There is no way out for him.

Of troubles none is greater than to be robbed of one’s native land.

Strangers are an endangered species.

At the bottom of enmity between strangers lies indifference.

Many need no other provocation to enmity than that they find themselves excelled.

One of the most time-consuming things is to have an enemy.