Solomon built a great temple for the Lord but in his wisdom he knew hearts were and are more important to God than houses. When the temple was finished this was Solomon's prayer:

1 Kings 8:57-61

The Lord our God be with us, as he was with our fathers. May he not leave us or forsake us,
that he may incline our hearts to him, to walk in all his ways and to keep his commandments, his statutes, and his rules, which he commanded our fathers.
Let these words of mine, with which I have pleaded before the Lord, be near to the Lord our God day and night, and may he maintain the cause of his servant and the cause of his people Israel, as each day requires,
that all the peoples of the earth may know that the Lord is God; there is no other.
Let your heart therefore be wholly true to the Lord our God, walking in his statutes and keeping his commandments, as at this day.”
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