1. In Latin legalese, pirates are termed hostis humani generis (an "enemy of mankind").

2. The people who know politics will certainly know the distinction between their friends and hostis, in order to seek survival in the world.

3. The premise of the struggle between the national states is the division of friends and hostis.

4. A method of interconnection between IBM - Host and VAX - Hostis introduced.

5. This article focuses on two of his thesis: the thesis of the sovereign decisions and the thesis of the hostis and friend on politics.