Matthew 18:13

and if he happen to find it, you may be sure he is more affected with that one, than with the ninety and nine which went not astray.

Luke 15:5-10

and when he hath found it, joyfully lay it upon his shoulders?

Luke 15:23-24

take the fatted calf, and kill it: let us eat and be merry:

John 4:34-36

Jesus said to them, my meat is to do the will of him that sent me, and to finish his work.

James 2:13

for he that has not shewed mercy, shall be condemn'd without mercy: while the merciful shall triumph at his trial.

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 when he hath found it, joyfully lay it upon his shoulders?
John 4:34
Jesus said to them, my meat is to do the will of him that sent me, and to finish his work.
James 2:13
for he that has not shewed mercy, shall be condemn'd without mercy: while the merciful shall triumph at his trial.