Jeremiah 9:7-9

Therefore thus says the LORD of hosts: “Behold, I will refine them and try them; For how shall I deal with the daughter of My people? Their tongue is an arrow shot out; It speaks deceit; One speaks peaceably to his neighbor with his mouth, But in his heart he lies in wait. Shall I not punish them for these things?” says the LORD. “Shall I not avenge Myself on such a nation as this?”