Frivolous sorrow is folly. Frivolous enjoyment is not.
Children use all their wiles to get their way with adults. Adults do the same with children.
To be thoroughly modern, an aphorism should trail off vaguely rather than coming to a point.
Dirty old men, ignoring society, continue to follow nature.
The higher the moral tone, the more suspect the speaker.
The desire to be significant casts a pall.