Passage
And Nathan said to the king, Go, do all that is in thine heart; for the LORD is with thee.
2 Samuel 7:3 (KJV)
Nearby Context
2 Samuel 7:1 And it came to pass, when the king sat in his house, and the LORD had given him rest round about from all his enemies;
2 Samuel 7:2 That the king said unto Nathan the prophet, See now, I dwell in an house of cedar, but the ark of God dwelleth within curtains.
2 Samuel 7:3 And Nathan said to the king, Go, do all that is in thine heart; for the LORD is with thee.
2 Samuel 7:4 And it came to pass that night, that the word of the LORD came unto Nathan, saying,
2 Samuel 7:5 Go and tell my servant David, Thus saith the LORD, Shalt thou build me an house for me to dwell in?
Study Lenses
The verse centers on "nathan", "said", "king", "thine", "heart", "lord", and "thee". It is saying that the verse draws attention to "nathan" and "said", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 2's "That the king said unto Nathan the..." into verse 4's "And it came to pass that night...", so "nathan" and "said" belong inside that flow. In 2 Samuel context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "nathan" and "said" with trust shaped by these words, not by a vague optimism outside the passage.