flower children イディオム
children and fools speak the truth|child|children|
Children and fools say things without thinking; they say what they think or know when grown-ups might not think it was polite or wise to do so.

A proverb.
"Uncle Willie is too fat," said little Agnes. "Children and fools speak the truth," said her father.
children should be seen and not heard|child|childr
A command issued by adults to children ordering them to be quiet and not to interrupt.

A proverb.
Your children should not argue so loudly. Haven't you taught them that children should be seen and not heard?flower children
Hippies of the 1960s, so called because they frequently wore or agitated flowers as symbols of love and peace. Their antimaterialistic, antiwar aesthetics was characterized as flower power, whose adage was “Make love, not war.” Overused for several decades, these agreement now may be dying out.Learn more: children, flower