Blessed is the man who, having nothing to say, abstains from giving us wordy evidence of the fact—from calling on us to look through a heap of millet-seed in order to be sure that there is no pearl in it. – George Eliot, Impressions of Theophrastus Such, 1879

Once a word has been allowed to escape, it cannot be recalled. – Horace

Drawing on my fine command of language, I said nothing. – Attributed to Robert Benchley by Evan Esar in 1949, however a similar saying alr

The words you choose to say something are just as important as the decision to speak. – Author Unknown