Rashi on TanakhIsaiah 55

Ho! All who thirst Heb. הוֹי. This word הוֹי is an expression of calling, inviting, and gathering, and there are many in Scripture, [e.g.,] (Zech. 2:10) “Ho! Ho! and flee from the north land.”

go to water to Torah.

buy Heb. שִׁבְרוּ. Comp. (Gen. 42:3) “To buy (לִשְׁבֹּר) corn,” buy.

wine and milk Teaching better than wine and milk.

Why should you weigh out money Why should you cause yourselves to weigh out money to your enemies without bread?

the dependable mercies of David For I will repay David for his mercies.

a witness to nations A prince and a superior over them, and one who will reprove and testify of their ways to their faces. ([Mss., however, read:] One who reproaches them for their ways to their faces.)

Behold, a nation you do not know you shall call to your service, if you hearken to Me, to the name of the Lord that is called upon you.

when He is found Before the verdict is promulgated, when He still says to you, “Seek Me.”

For My thoughts are not your thoughts Mine and yours are not the same; therefore, I say to you, “The wicked shall give up his way,” and adopt My way...

“and a man of iniquity his thoughts” and adopt My thoughts, to do what is good in My eyes. And the Midrash Aggadah (Tanhuma Buber, Vayeshev 11 explains:) For My thoughts are not, etc. My laws are not like the laws of man [lit. flesh and blood]. As for you, whoever confesses in judgment is found guilty, but, as for Me, whoever confesses and gives up his evil way, is granted clemency (Proverbs 28:13).

As the heavens are higher, etc. That is to say that there is a distinction and a difference, advantages and superiority in My ways more than your ways and in My thoughts more than your thoughts, as the heavens are higher than the earth; you are intent upon rebelling against Me, whereas I am intent upon bringing you back.

For, just as the rain and the snow fall and do not return empty, but do good for you.

so shall be My word that emanates from My mouth to inform you through the prophets, will not return empty, but will do good to you if you heed them.

For with joy shall you go forth from the exile.

the mountains and the hills shall burst into song before you for they will give you their fruit and their plants, and their inhabitants shall derive benefit. ([Some editions read:] And their inhabitants shall sing.)

Instead of the briar, etc. Our Rabbis expounded [Targum Jonathan]: Instead of the wicked, righteous people shall arise.

briar...and...nettle They are species of thorns; i.e., to say that the wicked will be destroyed and the righteous will take their rule.