The book of Isaiah has two sections, one the voice of Isaiah ben Amoz, an eighth-century BCE prophet in Jerusalem, and the other an anonymous Judean prophet of the Babylonian exile.
So said Jacob ben R. ḥayim Ibn Adoniyahu of blessed memory, after completing the proofreading of Seder taharot, I intended to apologize, since the subject is not habitual, and the source texts are few…
Someone gathered rich apples, rich corn,
Grown of your heart and your brain,
And in me, as a loft, has stored
Some of the fruit and grain.
The loft smells sweet with its store:
The corn for making…
[ . . . ] But before we come to analyze the dreadful calamity [i.e., the drought] that has befallen us, and before we come to see what is the putrid humor harbored in our midst…