It's unbearable when someone changes around you. Just imagine that your life partner changes, then it is difficult to cope with. Or your mother. Or your father. They were strong and now they're like a baby - it's not so funny. ↗
Life is like dancing. If we have a big floor, many people will dance. Some will get angry when the rhythm changes. But life is changing all the time. ↗
Though the general principles of statecraft have survived the rise and fall of empires, every increase in knowledge has brought about changes in the political, economic, and social structure. ↗