The years nineteen and twenty are a crucial stage in the maturation of character, and if you allow yourself to become warped when you're that age, it will cause you pain when you're older. ↗
The rich old men start the wars, but it’s the poor young men who portend them. If they didn't get old and rich, some excuse might have to be found to launch invasions. ↗
All things old become new again. In my youth the athletes had crew cuts and the hippies had long hair. Now the athletes have long hair and the hippies are bald. ↗