You, even you, are to be feared: and who may stand in your sight when once you are angry?
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Augustine of Hippo
8. "Thou art terrible, and who shall withstand Thee at that time by Thine anger?" (ver. 7). Now they sleep, and perceive not Thee angry; but for cause that they should sleep, He was angry. Now that which sleeping they perceived not, at the end they shall perceive. For there shall appear the Judge of quick and dead. "And who shall withstand Thee at that time by Thine anger?" For now they speak that which they will, and they dispute against God and say, who are the Christians? or who is Christ? or what fools are they that believe that which they see not, and relinquish the pleasures which they see, and follow the faith of things which are not displayed to their eyes! Ye sleep and snore, ye speak against God, as much as ye are able. "How long shall sinners, O Lord, how long shall sinners glory, they answer and will speak iniquity?" But when doth no one answer and no one speak, except when he turneth himself against himself? ...
And. Hebrew, "thou, and who shall subsist before thee in the moment of thy wrath? "Houbigant rejects the second thou. (Berthier)
From. From the time that thy wrath shall break out. (Challoner)
Ex tunc, often relates to a distant period. We have long known the effects of thy indignation. (Calmet) (Hebrews x. 31.)
At the first notice of thy will the enemy is dejected, and fears thy potent anger. (Worthington)