1.   All eras have their colors, by which I mean their tonalities.

2.   Each era has had its Homer, or more correctly, Homers.

3.   Each era had its own political and social flavor.

4.   Every era has its athletic villains.

5.   Every era has its monuments, major works that will continue to be celebrated through the ages, lasting symbols of bygone cultures.

6.   Every era has mental disorders that for cultural or scientific reasons become popular.

7.   Furthermore, each era has its demands.

8.   His era had Borg and Connors and Vilas and Gerulaitis.

9.   If you doubt that each era has a period look that reflects something of its soul, browse here.

10.   The common wisdom is that every era has its own esthetic.