Matthew 18:14

So it is not the will of your Father who is in the heavens that one of these little ones should perish.

John 17:12

When I was with them I kept them in thy name; those thou hast given me I have guarded, and not one of them has perished, but the son of perdition, that the scripture might be fulfilled.

Isaiah 40:11

He will feed his flock like a shepherd: he will gather the lambs with his arm, and carry them in his bosom; he will gently lead those that give suck.

Zechariah 13:7

Awake, O sword, against my shepherd, even against the man that is my fellow, saith Jehovah of hosts: smite the shepherd, and the sheep shall be scattered, and I will turn my hand upon the little ones.

Matthew 5:16

Let your light thus shine before men, so that they may see your upright works, and glorify your Father who is in the heavens.

Matthew 6:9

Thus therefore pray ye: Our Father who art in the heavens, let thy name be sanctified,

Matthew 6:32

for all these things the nations seek after; for your heavenly Father knows that ye have need of all these things.

Luke 12:32

Fear not, little flock, for it has been the good pleasure of your Father to give you the kingdom.

John 6:39-40

And this is the will of him that has sent me, that of all that he has given me I should lose nothing, but should raise it up in the last day.

John 10:27-30

My sheep hear my voice, and I know them, and they follow me;

John 21:15

When therefore they had dined, Jesus says to Simon Peter, Simon, son of Jonas, lovest thou me more than these? He says to him, Yea, Lord; thou knowest that I am attached to thee. He says to him, Feed my lambs.

Romans 8:28-39

But we do know that all things work together for good to those who love God, to those who are called according to purpose.

1 Corinthians 8:11-13

and the weak one, the brother for whose sake Christ died, will perish through thy knowledge.

Ephesians 1:5-7

having marked us out beforehand for adoption through Jesus Christ to himself, according to the good pleasure of his will,

2 Timothy 2:10

For this cause I endure all things for the sake of the elect, that they also may obtain the salvation which is in Christ Jesus with eternal glory.

Hebrews 12:13

and make straight paths for your feet, that that which is lame be not turned aside; but that rather it may be healed.

1 Peter 1:3-5

Blessed be the God and Father of our Lord Jesus Christ, who, according to his great mercy, has begotten us again to a living hope through the resurrection of Jesus Christ from among the dead,

2 Peter 3:9

The Lord does not delay his promise, as some account of delay, but is longsuffering towards you, not willing that any should perish, but that all should come to repentance.

Treasury of Scripture Knowledge

Summary

Even so it is not the will of your Father which is in heaven, that one of these little ones should perish.

Bible References

It is

Luke 12:32
Fear not, little flock, for it has been the good pleasure of your Father to give you the kingdom.
John 6:39
And this is the will of him that has sent me, that of all that he has given me I should lose nothing, but should raise it up in the last day.
John 10:27
My sheep hear my voice, and I know them, and they follow me;
John 17:12
When I was with them I kept them in thy name; those thou hast given me I have guarded, and not one of them has perished, but the son of perdition, that the scripture might be fulfilled.
Romans 8:28
But we do know that all things work together for good to those who love God, to those who are called according to purpose.
Ephesians 1:5
having marked us out beforehand for adoption through Jesus Christ to himself, according to the good pleasure of his will,
1 Peter 1:3
Blessed be the God and Father of our Lord Jesus Christ, who, according to his great mercy, has begotten us again to a living hope through the resurrection of Jesus Christ from among the dead,