Along with water, food is one of the essentials of life.
Another of life’s essentials is language; it’s vital for communication and communal living in a social species such as ourselves.
One of the elements of language is the adage, generally defined as something which people often say and which expresses a general truth about some aspect of life.
In English one well-known adage is there’s many a true word spoken in jest, a propos of which the screenshot below turned up today in my social media feed.