Patriotism is an ephemeral motive that scarcely ever outlasts the particular threat to society that aroused it.

Nationalism is an infantile disease, the measles of mankind.

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

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.

I am a man: I consider nothing human alien to me.

The past is a foreign country; they do things differently there.

Intolerance is evidence of impotence.

France has neither winter, summer, nor morals—apart from these drawbacks it is a fine country.

The misfortune of the man of color is having been enslaved. The misfortune and inhumanity of the white man are having killed man somewhere.

Do not neglect to show hospitality to strangers, for by doing that some have entertained angels without knowing it.

I do desire we may be better strangers.

If you wish to avoid foreign collision, you had better abandon the ocean.

No man has any natural authority over his fellow man.