Take any one of those items and extrapolate it into sophisticated adult terms and apply it to your family life or your work or your government or your world and it holds true and clear and firm. Think what a better world it would be if we all — the whole world — had cookies and milk about three o'clock every afternoon and then lay down with our blankies for a nap. Or if all governments had as a basic policy to always put things back where they found them and to clean up their own mess.
And it is still true, no matter how old you are — when you go out into the world, it is best to hold hands and stick together.

All I Really Need to Know I Learned in Kindergarten (1986)