● The value of a thing lies in whether it is needed (Delphi)
● Things are valuable only when people think they are valuable (Mo Like)
● Valuable things are only meaningful to people who know (Plautus)
● Things are lost when they are scattered. It depends on how much happiness it can bring (Cambridge)
● Hidden gold and jade is no different from buried rubble (Horace)
● Things are worthless if they are not laborious (Spain).