Psalm 119:65
Thou hast dealt well with thy servant, O Lord, according unto thy word.
Cross-reference
Psalm 119:17 asks God to 'deal bountifully with your servant' — a similar petition that contrasts with this verse's declaration of past goodness.
Psalm 119:58 asks for grace according to God's promise — almost identical request to 'do good according to your word' in Psalm 119:65.
Psalm 13:6 thanks God for dealing bountifully — mirroring the psalmist's testimony that God has dealt well with him.
Psalm 116:7 says 'the LORD has dealt bountifully with you' — a direct parallel to asking God to do good to His servant.
Psalm 23:6 promises goodness and mercy following — directly matching the petition for God to do good to His servant.
1 Chronicles 29:14 acknowledges all good comes from God — reinforcing the source of the goodness requested in Psalm 119:65.