Ecclesiastes 10:11

Surely the serpent will bite without enchantment
See ( Jeremiah 8:17 ) . Or rather, "without a whisper" ^F20; without hissing, or any noise, giving no warning at all: so the Vulgate Latin version renders it, "in silence"; some serpents bite, others sting, some both; see ( Proverbs 23:32 ) ; some hiss, others not, as here; and a babbler is no better;
a whisperer, a backbiter, a busy tattling body, that goes from house to house, and, in a private manner, speaks evil of civil governments, of ministers of the word, and of other persons; and; in a secret way, defames men, and detracts from their characters: such an one is like a venomous viper, a poisonous serpent or adder; and there is no more guarding against him than against such a creature that bites secretly.