2 Esdras 14:38-40

Revised Standard Version

³⁸ And on the next day, behold, a voice called me, saying, “Ezra, open your mouth and drink what I give you to drink.” ³⁹ Then I opened my mouth, and behold, a full cup was offered to me; it was full of something like water, but its color was like fire. ⁴⁰ And I took it and drank; and when I had drunk it, my heart poured forth understanding, and wisdom increased in my breast, for my spirit retained its memory;