say nothing
(MLE) A standard formula to end a conversation, i.e. bye, see you soon.
Synonyms: say no more, say none
Antonym: what you saying
When you win, say nothing. When you lose, say less. Paul Brown
Wise men say nothing in dangerous times. John Selden
When you have nothing to say, say nothing. Charles Caleb Colton
Say nothing about another that you wouldn't want to hear about yourself. Salvadoran Proverb
Of the great and of the dead either speak will or say nothing. Italian Proverb
Speak well of your friend; of your enemy say nothing. Welsh Proverb