Never put a stone on the table.
Daniel's principle states that when one puts out a heavy topic at the communal table, one is either seeking attention or trying to instigate trouble.
Even when the conversation lulls, never put a stone on the table.
Putting Stones
Rockhounds definition of a golf ball. Also a typo for a pudding stone.
I keep finding putting stones, but no agates, petoskeys, or pudding stones