Jeremiah 1:10

I have this day set thee over the nations and over the kingdoms: having now received his commission, he is directed to whom he is to go, viz. to the greatest, not only single persons, but whole nations, as the Babylonians, Persians, and Egyptians, and exhorted to greatness of mind, as being sent as an ambassador from God, to deliver his messages without flattery or cowardice; and that he might make that proud people sensible of their folly, that looked upon themselves as above reproof, he gives unto his prophet this large authority. To pull down, i.e. to prophesy that I will pull down; which I will as certainly effect as if thou hadst done it thyself; for, according to Scripture usage, the prophets are said to do that which they foretell shall come to pass, Genesis 49:7 Ezekiel 43:3, i.e. to pronounce destruction; hence God is said to slay them by the words of his mouth, Hosea 6:5; and so are all the following expressions to be understood. To build and to plant; metaphors taken from architects and gardeners. Either the former words relate to the enemies of God, and the latter to his friends; or rather, to both conditionally. If they repent, he will build them up, i.e. he will increase their families, and plant them, viz. settle them in the land, Jeremiah 24:6. If they do not, he will root them up, and pull them down, &c. He will do the contrary. Compare this with Jeremiah 42:10, and Jeremiah 45:4. The reason why God useth so many words to the same purpose seems to be, partly to show how deeply all kind of wickedness and contempt of God had taken root; which possibly may be one reason why he placeth pulling down and rooting up before building and planting, to show what a deal of rubbish there was to be removed before he could reform and repair his church and state; or rather, because the prophet was to begin with these in his prophecy, as appears by his second visions, Jeremiah 1:11,13; and partly to quicken the prophet's zeal against them.