The Holy Scripture
2 Baruch
Chapter XXI
And I went there and sat in the valley of Kidron in a cave of the earth, and I sanctified my soul there, and I ate no bread, yet I was not hungry, and I drank no water, yet I thirsted not, and I was there till the seventh day, as He had commanded me.
And afterwards I came to that place where He had spoken with me.
And it came to pass at sunset that my soul took much thought, and I began to speak in the presence of the Mighty One, and said: