This verse is part of a larger narrative describing the Queen of Sheba's visit to King Solomon in Jerusalem. It signifies that the Queen of Sheba was thoroughly impressed by two key aspects of Solomon's reign:

"All the wisdom of Solomon": This refers to Solomon's renowned intelligence, knowledge, and understanding. The Queen had likely heard tales of his wisdom, and this phrase indicates that she personally witnessed and experienced it firsthand. She might have seen him making wise judgments, solving complex problems, engaging in insightful conversations, or demonstrating his vast learning in various fields.

"The house that he had built": This refers to the Temple in Jerusalem, a magnificent structure dedicated to God. It was a symbol of Solomon's power, wealth, and devotion. Seeing the Temple would have impressed the Queen with its grandeur, artistry, and architectural brilliance. It represented a significant feat of engineering and a testament to Solomon's kingdom's prosperity.

Together, these elements – Solomon's wisdom and the impressive Temple – showcase the Queen of Sheba's awe and recognition of Solomon's greatness. The verse sets the stage for her subsequent praise of Solomon and the God of Israel in the following verses. It emphasizes that her admiration was not just based on hearsay, but on her own observation and experience.