Whose mouth is full of cursing, etc. - They never speak but in profane oaths, blasphemies, and malice.

Psalm 10:7 His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.

Psalm 59:12 For the sin of their mouth and the words of their lips let them even be taken in their pride: and for cursing and lying which they speak...

Psalm 109:17,18 As he loved cursing, so let it come to him: as he delighted not in blessing, so let it be far from him...

James 3:10 Out of the same mouth proceeds blessing and cursing. My brothers, these things ought not so to be.

Justice Satisfied
WHEN THE SOUL is seriously impressed with the conviction of its guilt, when terror and alarm get hold upon it concerning the inevitable consequences of its sin, the soul is afraid of God. It dreads at that time every attribute of divinity. But most of all the sinner is afraid of God's justice. "Ah," saith he to himself, "God is a just God; and if so, how can he pardon my sins? for my iniquities cry aloud for punishment, and my transgressions demand that his right hand should smite me low. How can …
Charles Haddon Spurgeon—Spurgeon's Sermons Volume 5: 1859

A Great Deal for Me to Read Hast Thou Sent...
1. A great deal for me to read hast thou sent, my dearest brother Consentius: a great deal for me to read: to the which while I am preparing an answer, and am drawn off first by one, then by another, more urgent occupation, the year has measured out its course, and has thrust me into such straits, that I must answer in what sort I may, lest the time for sailing being now favorable, and the bearer desirous to return, I should too long detain him. Having therefore unrolled and read through all that …
St. Augustine—Against Lying

Nuremberg Sept. 15, 1530. To the Honorable and Worthy N. , My Favorite Lord and Friend.
Grace and peace in Christ, honorable, worthy and dear Lord and friend. I received your writing with the two questions or queries requesting my response. In the first place, you ask why I, in the 3rd chapter of Romans, translated the words of St. Paul: "Arbitramur hominem iustificari ex fide absque operibus" as "We hold that the human will be justified without the works of the law but only by faith." You also tell me that the Papists are causing a great fuss because St. Paul's text does not contain …
Dr. Martin Luther—An Open Letter on Translating