Matthew 18:13

And, if it happen that he find it, verily I say to you, he rejoices over it more than over the ninety and nine that have not gone astray.

Luke 15:5-10

And, finding it, he places it upon his shoulders, rejoicing:

Luke 15:23-24

and bring ye the fatted calf, kill it; and, eating, let us be merry;

John 4:34-36

Jesus saith to them, "My food is to do the will of Him Who sent Me, and to finish His work.

James 2:13

For the judgment is without mercy to him who showed no mercy: mercy exults over judgment.

Treasury of Scripture Knowledge

Summary

And if so be that he find it, verily I say unto you, he rejoiceth more of that sheep, than of the ninety and nine which went not astray.

Bible References

He rejoiceth

Luke 15:5
And, finding it, he places it upon his shoulders, rejoicing:
John 4:34
Jesus saith to them, "My food is to do the will of Him Who sent Me, and to finish His work.
James 2:13
For the judgment is without mercy to him who showed no mercy: mercy exults over judgment.