Psalm 40:16
"Let all those that seek thee rejoice and be glad in thee: let such as love thy salvation say continually, The LORD be magnified."
Cross References (ranked by relevance)
Let them shout for joy, and be glad, that favour my righteous cause: yea, let them say continually, Let the LORD be magnified, which hath pleasure in the prosperity of his servant.
But let the righteous be glad; let them rejoice before God: yea, let them exceedingly rejoice.
And this was known to all the Jews and Greeks also dwelling at Ephesus; and fear fell on them all, and the name of the Lord Jesus was magnified.
Mine eyes fail for thy salvation, and for the word of thy righteousness.
The meek shall eat and be satisfied: they shall praise the LORD that seek him: your heart shall live for ever.
Glory ye in his holy name: let the heart of them rejoice that seek the LORD.
Thy testimonies have I taken as an heritage for ever: for they are the rejoicing of my heart.
My soul fainteth for thy salvation: but I hope in thy word.