He sends forth his commandment upon earth: his word runs very swiftly.
Read Chapter 147
Augustine of Hippo
23. "Who sendeth forth His Word to the earth" (ver. 15). Behold, on earth we toil, weary, fainting, sluggish, cold: when should we be raised up to the fat of wheat that satisfieth, did not He send His Word to the earth, whereby we were weighed down, to the earth, whereby we were hindered from returning? He sent. His Word, He deserted us not even in the wilderness, He rained manna from heaven. "Who sendeth forth His Word to the earth;" and to earth His Word came. How? or what is His Word? "Even unto swiftness His Word runneth." He said not, "His Word is swift," but, "His Word runneth even unto swiftness." Let us understand, my brethren: He could not have chosen a better word. He who is hot grows hot by heat, he who is cold grows cold by cold, he who is swift becometh swift by swiftness. ...To what degree then doth it run? "Even to swiftness." Increase as much as you will the swiftness of the Word, and say, It is as swift as this or that, as birds, as the winds, as the Angels; is any of ...
Speech. Rain, (Kimchi) Jesus Christ, (St. Augustine) or the gospel, (St. Hilary; St. Jerome) which was presently propagated over all the earth, Romans x. 18. (Worthington)
God's commands are instantly obeyed. (Haydock)
No sooner did he speak to Saul, but he was converted, Acts ix. 4., and Hebrews iv. 12. (Berthier) ...