At certain historic moments, grandparents took on childrearing responsibilities. In many cultures, they still do. Chinese grandparents who are able to retire at 55 are seen all over Beijing bouncing grandbabies. In the United States, we can't afford to retire at 55.
“Whenever anyone has offended me, I try to raise my soul so high that the offense cannot reach it.”
“You cannot contribute anything to the ideal condition of mind and heart known as Brotherhood, however much you preach, posture, or agree, unless you live it.”