I Kings 10:1-5

Now when the queen of Sheba heard of the fame of Solomon concerning the name of the LORD, she came to test him with hard questions. She came to Jerusalem with a very great retinue, with camels that bore spices, very much gold, and precious stones; and when she came to Solomon, she spoke with him about all that was in her heart. So Solomon answered all her questions; there was nothing so difficult for the king that he could not explain it to her. And when the queen of Sheba had seen all the wisdom of Solomon, the house that he had built, the food on his table, the seating of his servants, the service of his waiters and their apparel, his cupbearers, and his entryway by which he went up to the house of the LORD, there was no more spirit in her.