Passage
For length of days and years, Life and peace they do add to thee.
For length of days and years, Life and peace they do add to thee.
Proverbs 3:1 My son! my law forget not, And my commands let thy heart keep,
Proverbs 3:2 For length of days and years, Life and peace they do add to thee.
Proverbs 3:3 Let not kindness and truth forsake thee, Bind them on thy neck, Write them on the tablet of thy heart,
Proverbs 3:4 And find grace and good understanding In the eyes of God and man.
The verse centers on "length", "days", "years", "life", "peace", and "thee". It is saying that the verse draws attention to "length" and "days", so its meaning should be read from those terms before moving to application.
The nearby context moves from verse 1's "My son my law forget not And..." into verse 3's "Let not kindness and truth forsake thee...", so "length" and "days" belong inside that flow. In Proverbs context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "length" and "days" with trust shaped by these words, not by a vague optimism outside the passage.