¹³ “Their throat is an open tomb.
With their tongues they have used deceit.” [1]

“The poison of vipers is under their lips;” [2]

¹³ Their throat is an open sepulchre; With their tongues they have used deceit: The poison of asps is under their lips:

¹³ Their throats are gaping graves, their tongues slick as mud slides. Every word they speak is tinged with poison.