Luke 15:6
"And when he cometh home, he calleth together his friends and neighbours, saying unto them, Rejoice with me; for I have found my sheep which was lost."
Cross References (ranked by relevance)
Likewise, I say unto you, there is joy in the presence of the angels of God over one sinner that repenteth.
For this my son was dead, and is alive again; he was lost, and is found. And they began to be merry.
For ye were as sheep going astray; but are now returned unto the Shepherd and Bishop of your souls.
I have gone astray like a lost sheep; seek thy servant; for I do not forget thy commandments.
Who, when he came, and had seen the grace of God, was glad, and exhorted them all, that with purpose of heart they would cleave unto the Lord.
Yea, and if I be offered upon the sacrifice and service of your faith, I joy, and rejoice with you all.
Ye are my friends, if ye do whatsoever I command you.
I say unto you, that likewise joy shall be in heaven over one sinner that repenteth, more than over ninety and nine just persons, which need no repentance.
And being brought on their way by the church, they passed through Phenice and Samaria, declaring the conversion of the Gentiles: and they caused great joy unto all the brethren.
He that hath the bride is the bridegroom: but the friend of the bridegroom, which standeth and heareth him, rejoiceth greatly because of the bridegroom’s voice: this my joy therefore is fulfilled.
Which in time past were not a people, but are now the people of God: which had not obtained mercy, but now have obtained mercy.
Therefore, my brethren dearly beloved and longed for, my joy and crown, so stand fast in the Lord, my dearly beloved.
For what is our hope, or joy, or crown of rejoicing? Are not even ye in the presence of our Lord Jesus Christ at his coming?
Always in every prayer of mine for you all making request with joy,