Lesson (defect): Athenian democracy is only aimed at the citizen group, and it is also the democracy of male citizens; It is a violent machine of social injustice, and the feature of taking turns in power does not guarantee that people with both ability and political integrity are firmly in power, which may lead to extreme democratization.
leave out
1, teenagers don't know how to study hard, and old people regret studying late.
2, jade is not a tool, people do not learn and do not understand.