He was after the relationship between ideas, the pleasure taken from both similarities and differences.
That is, not only are no two things ever the same, the categories we use to identify individuals in the first place derive from differences.
Sometimes the concerns stem from differences in philosophy and values.
However, the party suffered from serious structural problems and ideological differences.
When it does, it usually results from political differences between nations.
The problem seems to arise from basic differences between films and games as forms of media.
Today, however, many believe that these inequities result from differences in access to the social, economic and environmental resources necessary for health.
Some of the problems resulted from individual differences in response speed found by astronomers.
This variety can range from simple differences of hardware to completely different rules and aspects.
In Europe we also have on-going political conflicts which result from cultural differences.